The Stonevault Dungeon Guide: Bosses, Route and Mythic+ Tips

Overview

• The Stonevault is a four-boss War Within dungeon: E.D.N.A., Skarmorak, the Master Machinists and Void Speaker Eirich.
• E.D.N.A. and Skarmorak are both object fights: break spikes with beams on E.D.N.A., then kill shards and use fragments on Skarmorak.
• Damage the two Master Machinists evenly. Whichever one survives the other gains Silenced Speaker.
• On Eirich, clear your Void Corruption near a rift before it grows, and never get within a few yards of a rift.

Trash and route

E.D.N.A. opens the run and Void Speaker Eirich ends it. Minecarts in the east and west wings carry the group back to the center, and anyone can use them.

Just before the Master Machinists in the west wing, a forge can be used by a Warrior, a Dwarf, or a player with at least 25 Khaz Algar Blacksmithing. It grants Imbued Iron Energy to the whole party: 10% versatility for 10 minutes. It is one use, and the buff is lost on death.

Kicks and dispels worth assigning:

• Ghastly Voidsoul: interrupt every Howling Fear.
• Cursedheart Invader: curse-dispel Void Infection and use spare kicks on Arcing Void.
• Forgebound Mender: interrupt Restoring Metals, which it casts at low health, and spend spare kicks on Alloy Bolt.
• Engine Speaker: clear the stacking slow from Concussive Smash with a freedom effect or magic dispel.
• Void Bound Howler: interrupting Piercing Wail is the priority, since it debuffs the party.
• Turned Speaker: kick Censoring Gear, or dispel the magic silence if it lands.
• Cursedforge Stoneshaper: spare kicks on Stone Bolt, and kill its Earth Burst Totem before the cast finishes.

E.D.N.A.

Abilities

• Volatile Spike: spikes spawn under three random players. Each one destroyed puts a short stacking damage over time effect on the group, and a player who soaks one by running over it takes a very large hit.
• Refracting Beam: line attacks fired from the boss at each party member in turn. A beam that crosses a spike destroys it.
• Earth Shatterer: at 100 energy E.D.N.A. hits the party with Nature damage and destroys every spike still standing. On Mythic, too many spikes left up for this cast is a wipe.
• Seismic Smash: a heavy physical tank hit that applies Seismic Reverberation, a 30 second magic effect. Dispelling it grants Stone Shield, 50% damage reduction for 6 seconds.

Tank

Use a large defensive on the first Seismic Smash, since there is no shield yet. After that, the healer can dispel as each new Smash starts so the shield covers it and a smaller defensive is enough. Aim your own beam straight at the spikes.

Healer

Every spike broken adds a stack of group damage, so keep players healthy before beams go out. Time the Seismic Reverberation dispel with the tank. Avoid letting Earth Shatterer clear spikes unless major defensives are up, because it lands on top of the spike damage.

DPS

Stack so all the spikes spawn in one spot. Then move off them and fan out loosely around the boss so beams do not cleave each other, letting the beams aimed at the spikes break them together. Breaking them in one batch lines up the stacks and cuts total ticks. Only soak a missed spike with an immunity or a tank.

Mythic+ notes

Clear every set of spikes with beams before Earth Shatterer. Batching the breaks is easier on the healer than breaking them one at a time.

Skarmorak

Abilities

• Crystalline Smash: a tank buster that spawns three Crystal Shards at random spots in the room. They damage nearby players on landing and do not need tanking.
• Crystalline Eruption: when a shard dies it hits the group and leaves a 100% damage taken increase for 3 seconds, so stagger shard kills.
• Unstable Crash: a 15 yard group hit that leaves an Unstable Fragment under each player. Absorbing one gives a stack of a buff (Unstable Energy in the Icy Veins guide) that raises healing done and damage to the shell by 50%, but adds a 30 second damage over time effect. GameLeap lists the fragments as a Mythic mechanic.
• Fortified Shell: at 0 energy Skarmorak shields itself, and any shards still alive make the shield bigger. Void Discharge pulses while the shield holds, each pulse 10% stronger than the last.

Tank

Use a defensive for every Crystalline Smash. Keep the boss where melee can reach the shards quickly, since they land randomly.

Healer

Two sets of shards and two Unstable Crashes come before each shell. Staggered shard kills keep the vulnerability from stacking. Use healing cooldowns on Void Discharge, which ramps the longer the shell lasts. Your fragment boosts your healing too.

DPS

Kill all six shards before the shell, one at a time rather than together. Step out of Unstable Crash, then absorb your own fragment. One per player per crash gives everyone two stacks for the shell, which suits most keys and pug groups.

Mythic+ notes

Save damage cooldowns for the shell, not the shards. A fast break limits how far Void Discharge can ramp.

Master Machinists

Abilities

• Speaker Brokk: Molten Metal should be interrupted on a kick rotation. Scrap Song jumps Brokk to one side and throws a Scrap Cube through the center, often followed by another Molten Metal. Exhaust Vents turns on three of the four corner vents, which spread Flaming Scrap puddles in their quadrant. Standing on an active vent is lethal. GameLeap lists the 30 second scrap duration as a Mythic mechanic.
• Speaker Dorlita: Lava Cannon fires a line at a random player, Igneous Hammer is a big tank hit, and Blazing Crescendo drags the cube to the center for a large party hit, a damage over time effect within 20 yards, and Magma Waves that GameLeap lists as Mythic.
• Silenced Speaker: when one Speaker dies, the other gains this buff.

Tank

Use a defensive for every Igneous Hammer. Both Speakers need tanking and they do not share health, so keep them positioned for the group to split damage.

Healer

Blazing Crescendo is the biggest group hit, and a missed Molten Metal kick adds more. Expect damage to jump if one Speaker dies well before the other.

DPS

Damage both Speakers evenly and keep a ranged kick ready for the Molten Metal after Scrap Song. Move to the edges when the cube is thrown. For Blazing Crescendo, stand at the room's edge on a diagonal from the cube. An inactive vent is a safe spot, and beside an active vent works too, as long as you step off once the waves pass.

Mythic+ notes

With Flaming Scrap lasting about 30 seconds, safe space shrinks quickly. Finish the pair before the arena fills.

Void Speaker Eirich

Abilities

• Void Rift: two rifts at the room's edge. Coming within 15 yards of one lets it absorb your Void Corruption, but getting within about 3 yards kills you. On Mythic, a rift that absorbs corruption moves to a new spot.
• Void Corruption: a damage over time effect with no duration. It ticks every 3 seconds and each tick is 25% stronger.
• Entropic Reckoning: hits every player, and each drops an 8 yard Entropy pool that shrinks over about 90 seconds.
• Unbridled Void: a frontal toward a random player.

Tank

Watch where the rifts are, especially on Mythic when they relocate. There is little tank damage here, so you can clear your corruption last.

Healer

Void Corruption is the fight. Push players to clear it early, since every extra tick hits harder. Entropic Reckoning is the group hit.

DPS

Clear Void Corruption at a rift without getting too close. A common order is squishy or less mobile players first, sturdier or mobile players after the rift moves, and the tank last. Sturdier players can drop Entropy on existing pools to save space. Sidestep Unbridled Void.

Loot highlights

• Malfunctioning Mechsuit: drops from Void Speaker Eirich on Mythic and starts a short warband quest line that rewards the Stonevault Mechsuit mount.
• Refracting Aggression Module: a trinket from E.D.N.A.
• Skarmorak Shard: a trinket from Skarmorak.
• High Speaker's Accretion: a trinket from Void Speaker Eirich.

Common mistakes

• Breaking spikes one by one on E.D.N.A., stretching the group damage out.
• Soaking a spike without an immunity or tank defensive.
• Killing several Skarmorak shards at once and stacking the vulnerability.
• Skipping fragments and fighting the shell without the buff.
• Tunneling one Machinist and triggering Silenced Speaker.
• Missing Molten Metal kicks.
• Waiting too long to clear Void Corruption, or walking too close to a rift.

Mechanics checked against: method.gg, icy-veins.com, gameleap.com, hardcoregamer.com, warcraft.wiki.gg. Ability names and spell IDs come from TheWoWDB's own client datamine.