Focus Circuit Seers first — their aura detonates nearby devices and can chain into wipes.
Interrupt Umbra Bolt and Holy Bolt on cooldown throughout all trash pulls.
Never walk through active Leyline Arrays — treat them as lethal walls unless you're using a defensive.
Outrange Corespark Detonation impact then watch for residual Arcane Spill puddles.
If marked by Reflux Charge, destroy Leyline Arrays to convert the debuff into damage.
Kill the Dreadflail and Grand Nullifier before the Lightscar Flare window — they prevent the damage amp from landing.
Pop all offensive cooldowns during Lightscar Flare; boss takes 300% increased damage.
Tank: major defensives on Umbral Lash — the follow-up Void Gash debuff stacks.
During Divine Guile, identify the real Lothraxion by the horns — interrupting a shade triggers massive group damage.
Use a personal defensive when targeted by Brilliant Dispersion; the DoT hits hard and leaves Fractured Images.
Tank: save major cooldowns for Searing Rend.