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Old Lion's Court Mission Strategy Guide

This guide provides tips and strategies for the twelfth strike mission and how to defeat the Watchknight Triumvirate in Old Lion's Court. If your group is struggling, the guidelines in the Introduction to Raiding will apply here as well. Check out the glossary page if you're not familiar with a term used in this guide and make sure to run an optimal build from our list of recommended builds for this encounter.


Old Lion’s Court will see you facing off against three watchknights – individually at first and then together.

There are two fundamental mechanics that appear throughout – first, the watchknights will prepare a lethal attack while remaining immune to damage and gaining a defiance bar (strength: 2000, or 4000 in Challenge Mode). The attack indicator will cover a certain area of the arena that depends on the watchknight’s color, and the attack will always hit at the same time, but upon being broken, the area covered by the attack will invert. Bear this in mind when positioning throughout the encounter. There are frequent defiance bars in this encounter, making reliable CC an advantage, but they are not large, you have a long time to break them, and the reward for breaking them is relatively minor so they can be ignored if necessary (outside of specific “puzzle” phases, detailed below).

The second fundamental mechanics is a small spreading AoE called . Initially appearing as a pale blue puddle that ticks for minor damage, once it reaches maximum size it becomes a highly damaging red field that remains for approximately 50 seconds, or until the next phase. Each watchknight has a mechanic that drops these AoEs, so it is important to be aware of them and try to ensure they are dropped towards the edge of the arena, and ideally in clusters, to give you the most playable space.

Challenge Mode only: The AoEs are larger.

It is advantageous to have a specific player pick up aggro at certain points, whether from a boss or just for a single attack. Ideally, this player can keep themselves alive while at the same time being able to contribute something from range. It is not required that this be the same player throughout, but it is efficient so this guide will refer to them as “the kiter” throughout.


Prototype Vermillion (red)

At the start of the fight, the Vermillion appears and begins channeling its attack. It will take no damage while its shield is active, though you can already apply conditions to it, giving condition builds something of an advantage. When broken, the attack AoE will invert, creating a dangerous area around the Vermillion. Breaking it will also apply five seconds of Stunned Stunned and Exposed Exposed when the attack completes. Getting hit by either AoE will inflict , pulling the player upwards into a black hole and killing them.

After this, the Vermillion will fixate on the closest person and move to them. The fixated target has an indicator on their buff bar and a red icon above their head. Shortly afterward, it will prepare a ring AoE attack.

Dual Horizon

An orange ring AoE appears around the boss and arrows indicate to move either inside or outside. Whichever you chose will apply a debuff to you: Tidal Torment Tidal Torment if you’re inside, Ergo Shear Ergo Shear if you’re outside. The next time this attack occurs you need to take the opposite position, which will then safely remove the debuff and replace it with the opposing one (note the debuff icon itself tells you where to go next time). Getting hit by the same effect twice (e.g. being inside the ring twice in a row) will release a for each player that fails, causing heavy damage to the party as well as applying Exposed Exposed to each individual that failed for 60 seconds – increasing the damage they take by 25%. The arrow indicators will update to show you the correct location each time. Getting hit by the Ring AoE will deal heavy damage and either knock towards or away from the Vermillion, applying the corresponding debuff and also applying Exposed Exposed. This attack repeats after the Vermillion finishes two autoattack chains, and it must be in melee range of its fixation.

Challenge Mode only: Gaining Exposed Exposed by failing the mechanic will also apply a stack of Empowered Empowered to the Watchknight that lasts until it dies.

Otherwise, the Vermillion will move towards its fixation and perform a basic autoattack chain. The first two hits deal moderate damage and the final strike shows an AoE and deals heavy damage. Every other time (starting with the first) it hits, it drops at the Vermillion’s location. Because of this it is recommended to tank the boss close to the edge of the arena, and move its position after every second attack chain, though it has low enough health that most groups are unlikely to get more than one. A loud clanging sound effect occurs each time is dropped.

When the Vermillion reached 80% health, it will retreat and the next boss will appear.

Prototype Arsenite (green)

Much like the Vermillion, this boss immediately starts channeling an attack that in this instance, covers half of the arena. Break it as before and the AoE will flip location, meaning that coming from the Vermillion you will already be on the safe side. Players hit by the AoE will be instantly killed by . Once broken, it will fixate on the closest player and begin to charge a pulling attack.

Pernicious Vortex

The Arsenite charges up an attack that creates a AoE beneath it, pulsing damage and pulling all players toward the location. The closer a player is, the more damage they take and touching the also applies Exposed Exposed to the player. This attack repeats after the Arsenite finishes two autoattack chains, and it must be in melee range of its fixation.

Challenge Mode only: Gaining Exposed Exposed by failing the mechanic will also apply a stack of Empowered Empowered to the Watchknight that lasts until it dies.

Similar to the Vermillion, the Arsenite will then move to the fixated player and attack with a basic auto chain. The first two strikes deal moderate damage, the third deals heavy, and every other time it’s used (starting with the first) it launches a at the most distant non-fixated target, dropping at their location and then returning to the Arsenite, hitting players on the way with . It may be worth having the kiter slightly off-stack to control where the is dropped.

At 80%, the Arsenite will retreat and the final watchknight will appear.

Prototype Indigo (blue)

As it appears, the Indigo prepares an attack that covers the entire area, apart from a 120-degree sector behind it. The AoE flips once the watchknight is broken, so the group will be safe if coming from the Arsenite’s location. Players hit by either AoE are killed instantly by .

Once broken, the Indigo fixates on the closest target and prepares the next attack.

Crackling Wind

Effectively the opposite of the Arsenite’s attack, the Indigo starts pushing all players away, dealing more damage the further they are. Players at the very edge of the AoE will be Exposed Exposed. This attack repeats after using twice (see below).

Challenge Mode only: Gaining Exposed Exposed by failing the mechanic will also apply a stack of Empowered Empowered to the Watchknight that lasts until it dies.

Unlike the others, the Indigo is ranged and will not move from its location, instead attacking the fixated player from range with . This attack chains to the closest player, and then again, dealing more damage the further those players were. As such, it is actually beneficial for the blue fixation to be on the stack.

Approximately every eight seconds (after three uses of ), three random players will be hit with and given a medium-sized AoE around them that detonates after a few seconds, damaging anyone inside.


Every other time occurs (starting with the first), one of the three is further afflicted with – dropping a small blue pylon that tethers to them and begins a countdown indicated above the player’s head. After five seconds, the targeted player will drop a AoE at their location and be teleported back to the pylon, taking damage depending on how far from the pylon they moved.

The player by will need to balance dropping the AoE in a safe location against ensuring they do not move so far that they get downed. Bear in mind that the damage from is fairly low, so players should not put themselves in a poor position to avoid hitting any other players with it. One technique could be to have the players with move towards the closest so that the one selected for has a small distance to move to drop it in a convenient location.

Phase 2

Upon pushing the Indigo to 80% it will disappear and existing AoEs will be cleared. Shortly after, all three watchknights will return and start their breakbar attacks. Breaking any of them will invert the safe location as normal, but also prevents the other two from being broken. The goal is to identify which watchknight needs to be broken to create a safe location that is not covered by the other two watchknight’s AoEs.

The correct watchknight to break in this phase is the Arsenite (green). This leaves the space surrounding the Vermillion (red) safe and highlights it with a white AoE, so make sure everyone can get back to it.

Now you will face the watchknights again, but they will occasionally be assisted by a second watchknight that regularly appears and performs their breakbar attack.

Challenge Mode

In Challenge Mode, the fight immediately starts at the puzzle in Phase 2, and the setup is random. As in normal mode, the correct Watchknight to break will never repeat across the three phases. This means after the first two puzzles have been performed correctly you will know that the correct Watchknight to break is the remaining color.

The exact positioning of the watchknights is not fixed, but the patterns are consistent:

In addition to the above, in Challenge Mode the phases are adjusted slightly so that Phase 3 occurs at 60% health and Phase 4 occurs at 20% health.

Aside from these, structural changes between Normal and Challenge Modes are minor:

  • There is now a 13 minute enrage timer
  • Bosses have more health and deal more damage
  • Bosses gain stacks of Empowered Empowered if players fail their special mechanics
  • AoEs are larger

Prototype Vermillion (red)

If completed correctly, all three watchknights retreat, and after a short delay the Vermillion returns alone. Make sure not to stand in the middle of the arena as anyone that does will be instantly killed by the watchknight’s when it appears. It fixates on the closest player upon landing and starts . Players will still have the debuffs from the last time this attack was used, so make sure to be on the correct side.

A few seconds after , the Arsenite will appear and begin to channel . It will disappear again immediately upon completion, but breaking it will mean that the next time it appears, it will be Stunned Stunned and Exposed Exposed for five seconds. Bear in mind that the AoE will flip when broken. The Arsenite will reappear every 30 seconds until the Vermillion is phased. Its position can change each time, but it will always be approximately halfway between the middle of the arena and the edge.

Except for the appearance of the Arsenite, this phase plays out the same as the first Vermillion phase. At 40% (60% in challenge mode), the Vermillion retreats once more and the Arsenite returns.

Prototype Arsenite (green)

If previously broken, the Arsenite will appear Stunned Stunned and Exposed Exposed. It is joined almost immediately by the Indigo, who performs . Shortly after this attack finishes, the Arsenite begins .

The Indigo will return every 30 seconds if the Arsenite isn’t phased, and the Arsenite will leave at 40% (60% in challenge mode). The Indigo always appears close to the center of the arena.

Prototype Indigo (blue)

Following the pattern, the Indigo will appear and attack similarly to phase one, with the Vermillion assisting at the end of and every 30 seconds thereafter. It phases at 40% (60% in challenge mode). Like the Arsenite, the Vermillion will appear approximately halfway between the middle of the arena and the edge.

Phase 3

Another “puzzle” much like the start of Phase 2, with the watchknights positioned differently. This time you want to break the Vermillion (red) to create a safe area behind the Indigo (blue). Players wishing to pick up fixations should note that the active watchknight is the one that appears first.

Vermillion and Arsenite

After solving the puzzle, both the Arsenite and Vermillion appear, the Vermillion to the east and the Arsenite to the west. The Arsenite remains shielded so players should focus on the Vermillion. Both the watchknights go through their usual attack patterns.

At the start of this phase, the Vermillion will prepare and as it nears completion, the Indigo will appear and perform . It is quite useful to break the Indigo in this phase, as this creates the most safe space which makes it much easier to keep the Vermillion and the Arsenite separate.

This phase is where strategy starts properly coming into play: By default, the shielded watchknight will not perform their special attack (, or ), but if the two active watchknights are allowed to be close to each other they will tether together, buffing the shielded knight with Power Transfer Power Transfer and allowing it to use these attacks – making the fight much harder. Thus it is recommended to have the kiter try to pick up the Arsenite’s fixation and lead it away from the group. Ideally, this player should have the ability to keep themselves alive as well as provide some kind of assistance to the group from range. The player fixated by the Arsenite is not affected by debuffs from , so they don’t need to worry about having to suddenly move close to the Vermillion.

Be aware that in this phase the stack is going to be targeted by , so they will need to move more frequently as both bosses will be dropping .

Arsenite and Indigo

Once the Vermillion has been reduced to 10% (20% in challenge mode), it will disappear and the Arsenite becomes vulnerable. Shortly after, the Indigo reappears in the middle of the arena and begins attacking, and shortly after that, the Vermillion will return to perform its defiance bar attack. During this phase, the Indigo will not move from the middle, so everyone can focus on the Arsenite and tank it around the edge of the arena to ensure it is out of tether range. As previously mentioned, it is beneficial if the blue fixation remains in the stack, so you can effectively ignore the Indigo in this phase. The kiter can resume kiting the off the stack, but they will not be targeted if they pick up the blue fixation.

This is perhaps the phase where consistently breaking defiance bars is most valuable. The small size of the safe zone created when the Vermillion returns makes it difficult to safely remove from the stack, and forcing the Kiter to move in close runs the risk of allowing the Arsenite and Indigo to tether together and start using their special abilities - both of which further restrict movement.

Indigo and Vermillion

Upon phasing the Arsenite to 10% (20% in challenge mode), it retreats and a shielded Vermillion returns to the east of the center. The kiter should pick up the Vermillion’s aggro and pull it away from the Indigo. It is important to stay stacked during this phase, as the Arsenite will return to perform during , which will make it very difficult to reposition. Hence you want everyone to already be on the same half of the arena, and either break or ignore the Arsenite based on which side needs to be safe.

As the kiter will be fixated, they cannot be the target of , so a second player may wish to try to kite it during this phase.

Phase 4

Upon phasing the Indigo to 10% (20% in challenge mode), the watchknights disappear, then return to perform the final puzzle. The correct one to break is the Indigo (blue), which will create a safe area consisting of a semicircle around the Vermillion (red).

You will now face all three watchknights at once. The Vermillion spawns to the north, the Arsenite to the west, and the Indigo to the east. This can be chaotic, but with little health left each, they fall quickly. The Vermillion is the only one you can damage at first, so have a player kite the Arsenite away and focus the Vermillion down. The two shielded watchknights cannot tether together. As all three are active in this phase, there also will not be any breakbar attacks, which are perhaps the greatest threat.

When the Vermillion dies, the Arsenite can be attacked, and with the Arsenite dead you can finally kill the Indigo.


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