The Dawnbreaker is a dungeon located in Hallowfall in Kaz Algar.
Boss guide
Speaker Shadowcrown
At 50% and 0%, casts Darkness Comes, during which all players must skyride off the boat until the casts finishes. Collecting a Light Fragment grants 1 vigor and extends the duration of Radiant Light.
Healers should dispel Burning Shadows as soon as possible.
Applies Shadow Shroud, a small healing absorb that needs to be healed off.
Ranged should stand at max distance to bait Collapsing Darkness.
Casts Obsidian Beam, summoning laser beams that rotate in a direction.
The tank will take massive shadow damage when the beams spawn.
Anub'ikkaj
Players must defeat all 3 minibosses before engaging the boss.
Casts Dark Orb, targeting a player.
This ability must be aimed down a long path and not into a wall.
Once the orb is summoned, the player can move out of the way.
Casts Terrifying Slam on the tank, hitting nearby players, fearing them.
Periodically casts Shadowy Decay dealing high damage to the group.
Summons adds that need to be interrupted.
Rasha'nan
The encounter has two phases and an intermission.
Both phases have Rolling Acid.
Whichever side of the player the animation is on will indicate the direction in which the wave will travel.
The marked player should drop the waves on either side of the party.
P1: Nightfall Bombers throw 3 Arathi Bombs onto the ship.
DPS pick up bombs and use their extra action button near the boss.
Intermission 1 begins after 5 bombs have been thrown.
Skyride and follow the boss while picking up Light Fragments.
P2: Casts Spinneret's Strands on 2 players, dropping webs on them.
Targets should drop these to the side of the group.
Break the tether to the web as soon as possible. This inflicts party-wide damage.