Dun Scaith
The third and final alliance raid in the Shadow of Mhach series, set in the floating fortress of Dun Scaith. Features challenging mechanics and the conclusion of the Mhachi storyline.
Deathgaze Hollow
The first boss, fought on a ship where players can fall off the edge.
| Mechanic | Type | Description |
|---|---|---|
| Void Death | Knockback | Pulls players toward middle - run toward edge to resist |
| Void Aero II | Spread | Green markers drop tornados - run away from group |
| Void Blizzard III | AoE | Striped cone AoE - stand between the stripes |
| Void Aero III | Knockback | Creates tornado that knocks players back |
| Bolt of Darkness | Cleave | Column attack on half the ship - use knockback to reach safe side |
| Void Blizzard IV | AoE | Ice crystals drop on one side of ship |
| Void Aero IV | Knockback | Raid-wide knockback - position in front of ice crystal |
| Void Death IV | Enrage | Dark squares cover floor - enrage if not killed in time |
Strategy:
- For Void Death, run toward the edge to avoid being pulled in
- Drop green tornado markers away from the party
- Stand between stripes during Void Blizzard III
- For Aero III + Bolt combo, use knockback to reach safe side
- For Blizzard IV + Aero IV, stand in front of ice crystal to avoid falling off
- Kill boss before Void Death IV enrage
Ferdiad Hollow
A floating boss requiring raid-wide coordination.
| Mechanic | Type | Description |
|---|---|---|
| Abyssal Scythe | AoE | Orange markers drop lasting scythe AoEs |
| Blackbolt | Stack | Raid must stack on marked player |
| Debilitator | Spread | Spread out for individual targeting |
| Flameflow | AoE | Fire lines across arena - avoid them |
| Wormhole | AoE | Portals spawn adds - position carefully |
| Jongleur’s X | AoE | Large AoEs cover half the arena |
Strategy:
- Drop orange scythe markers away from center
- Stack quickly for Blackbolt markers
- Spread for Debilitator
- Avoid Flameflow fire lines
- Kill adds from Wormhole portals
- Move to safe half during Jongleur’s X
Scathach
The Queen of the Voidsent, a challenging encounter with limited telegraphs.
| Mechanic | Type | Description |
|---|---|---|
| Shadespin | AoE | Watch for big wings - safe spots are front or behind |
| Shadowlinks | AoE | Room darkens, shadows on floor - STOP all movement and attacks |
| Shadethrust | Cleave | Boss turns with dark circle - don’t stand in front |
| Shadow Limbs | Gaze | Tethered players look at Shadow Limb to stop it |
| Melee Combo | AoE | 3 hits to tank then leap - melee AoE follows |
| Thirty Souls | Raidwide | Group-wide AoE damage |
| Connla | Adds | Add spawns - tank away from boss |
| Meteor | Stack | Meteors require at least one player each |
Strategy:
- For Shadespin (big wings), stand front or behind boss
- During Shadowlinks, STOP ALL ACTIONS - no movement, no attacks
- Don’t stand in front during Shadethrust
- Look at Shadow Limbs when tethered to stop their movement
- Spread to cover all meteor locations
- Tank Connla add away from boss
- Most attacks lack heavy telegraph and apply vulnerability - stay alert
Diabolos Hollow
The final boss, who absorbs Scathach’s power mid-fight.
Phase 1 - Diabolos
| Mechanic | Type | Description |
|---|---|---|
| Deathgates | Adds | Kill quickly to prevent add spawns |
| Lifegate | Adds | Four gates spawn - kill all quickly |
| Ruinous Omen | Raidwide | Group-wide AoE |
| Hollow Camisado | Tankbuster | Heavy tank damage |
| Hollow Omen | Raidwide | Additional group-wide AoE |
| Particle Beam | Stack | Multiple players needed in center circle |
| Diabolic Gate | Adds | Some players enter portal to kill dragon |
Phase 2 - Diabolos Hollow
After absorbing Scathach’s power, Diabolos transforms.
| Mechanic | Type | Description |
|---|---|---|
| Hollow Night | Raidwide | Heavy raid-wide damage |
| Nightmare | AoE | Ground AoEs with increased damage |
| Shadethrust | Cleave | Inherited from Scathach - don’t stand in front |
| Hollow Terror | Tankbuster | Massive tank damage |
| Ultimate Terror | Raidwide | Final phase damage increase |
Strategy:
- Phase 1: Kill gates quickly, stack for Particle Beam, enter Diabolic Gate when prompted
- Phase 2: Be prepared for increased crit damage
- Tank damage is especially heavy at start of Phase 2
- Healers must be ready for Hollow Night damage
- Final phase has increasing damage - burn boss quickly
Notes: Dun Scaith concludes the Shadow of Mhach trilogy. The Scathach and Diabolos Hollow fights are among the most mechanically demanding alliance raid encounters in Heavensward. Limited telegraphs mean players must learn boss tells rather than rely on ground markers.