City of Threads Mythic+ Dungeon Guide

For the duration of this encounter, your entire group will need to stay within the 10yd circle around the boss, as anyone who attempts to leave will be targeted with Chains of Oppression, pulling them back. This means positioning is very important for his other mechanics.

Terrorize is a frontal cone that targets a random player, fearing anyone hit, so be sure to avoid this. On top of this, 2 players at a time will be debuffed with the Shadows of Doubt magic effect, which just like the Herald of Ansurek trash mob will fire off 5 stun orbs upon expiration or removal. Players targeted should try and move to the edge of the circle and use defensives to survive the DoT. Everyone else should watch the positioning of these players and make sure they are avoiding the stun orbs.

For tanks, Subjugate is a mixed shadow and physical hit, so make sure to use defensives when this is cast. You’ll also want to make sure you are moving the boss as little as possible, so as to not accidentally proc Chains of Oppression on players near the edge of the safe zone. You will need to do a big move occasionally due to the Vociferous Indoctrination channel, as this spawns a puddle that grows to 20yds in size upon completion. Make sure all players are on the same page in terms of where you are moving the boss to when this happens to avoid taking extra damage. Using pings here can be quite helpful!

This is a 2 boss encounter split into 2 distinct phases which alternate every time the Fangs reach 100 energy and cast Synergic Step. When this happens both bosses will do a charge attack in a line at a random player 3 times before transitioning. In each phase only one of the bosses will be empowered and need to be tanked while the other is supporting. Note that the bosses do share health, so cleaving them is very valuable!

In Phase 1 Nx will be empowered so tanks be sure to pick them up and face them away from your party for the Shade Slash frontal. Note that you can also step out of this attack to avoid it, and also that it will spawn a shade that echos Nx’s future attacks. Because of this I recommend trying to cluster the shades each time Nx is empowered to make them easier to avoid in the future. While this is happening, Vx will be targeting random players with Knife Throw, applying a short Bleed to them. Be careful of this extra damage, especially if a player gets picked multiple times in quick succession.

Towards the end of this phase there is an extremely dangerous ability combo, starting when Nx begins channeling Duskbringer. This deals damage to the party and puts 15yd AoEs around himself and his shades which you should run out of. At the same time, Vx begins casting Ice Sickles, which shoot out in a line at all non-tank players immediately after Duskbringer finishes, applying a 12s magic DoT and slow to their target and anyone in the path. Make sure everyone fans out to avoid being in another player’s line, and use magic dispels or any ability that can remove slows to clear the DoT as quickly as possible. Because these abilities overlap, you should also plan to use a defensive or group CD every time Duskbringer starts.

Moving on to phase 2, Vx is empowered and her tank ability is Rime Dagger, which also deals a hit of party damage so make sure everyone is topped when this ability goes out. This also applies 10 stacks of Freezing Blood to the tank, which is a nasty DoT that can be cleared by standing near other players. Because of this, I recommend having your party stack up on the tank in this phase so that they can instantly clear their DoT.

While this is happening, Nx will now be using Knife Throw on random players, and just before the end of this phase there is another overlap, this time between Duskbringer and Rime Dagger, though this one is scarier for tanks compared to the rest of the party, so make sure they are ready. From there, the bosses transition back to phase 1 and the fight repeats.

The main mechanic of this encounter is Viscous Darkness, which deals some damage to players, knocks them back, but most importantly spawns several orbs around the edge of the room that slowly float towards the boss. If they are successful the boss is healed for 7% of its max health, so players will want to intercept them to prevent this from happening. Note that players that do so will receive a healing absorb and will also spawn a puddle where they soaked.

On top of this, the boss will sometimes spawn a puddle underneath themselves with Blood Surge, melee just make sure to back away when this happens. I recommend tanking the boss in one corner of the room, soaking orbs in this quadrants as best as possible, then moving to the next once the Blood Surge puddle is spawned.

Outside of this, there’s a tank hit in Oozing Smash, just be aware of the healing reduction debuff it applies. There’s also additional party damage from the Dark Pulse channel, cast at 100 energy, which is where you’ll want to use things like defensives and healing cooldowns.

Throughout this fight, Izo will spawn 3 Shifting Anomalies around himself, which deal damage to anyone they touch. These orbs will occasionally shoot towards a random player, damaging anyone in the path, so you’ll want to be aware of where these are at all times. Eventually the boss will take back these orbs and shoot them at the tank with Process of Elimination, make sure to use a defensive here and back up slightly as there is a 10yd AoE around the tank when this happens and you want melee to still be able to hit the boss.

Outside of the orbs, the boss takes both the Umbral Weave and Tremor Slam abilities from the mini bosses you fought immediately beforehand, but keep in mind the order the boss uses these abilities each rotation is random, so sometimes Umbral Weave will be first and other times it’ll instead be Tremor Slam.

When Umbral Weave is cast make sure players who cannot break their own root are stacked up so you can easily cleave them down, and when Tremor Slam is cast get away from the boss and be sure your health is topped to survive the unavoidable hit. Tremor Slam also now spawns 4 Ravenous Scarabs, which will Gorge their target for extra physical damage, eventually exploding with Gutburst if they do this 5 times, so make sure to use CCs on these mobs and cleave them down quickly to avoid this.

Otherwise, there’s just some additional party damage from Splice, but be aware if this DoT overlaps with any of the previously mentioned mechanics and use a defensive to survive these dangerous moments if needed.