Nexus-Point Xenas M+ Guide: All 3 Bosses and the Push-Key

Nexus-Point Xenas at a Glance

Voidstorm's void-tech dungeon, set inside an abandoned Naaru installation that Xal'atath's forces have partially corrupted. The dungeon entrance sits at coords 64.75, 61.75, unlocks at level 90, and is in the Season 1 Mythic+ rotation.

Three bosses — fewer than the other M+ rotation dungeons, but mechanically dense. Gravity-warped fights, a 300% damage burn window on the second boss, and a Divine Guile shade puzzle on the third make this the most positionally demanding dungeon in the rotation. Item levels: 214 Normal, 230 Heroic, 246 Mythic 0.

Hidden Bonus: The Gortham Battle Pet

Before you face the first boss, scan the corridor leading toward Chief Corewright Kasreth. Five Corespark Conduits are placed along the path. Stand on one and interact with the Netherstorm Structural Cage to release Kasreth's escaped experimental pet — Gortham, a battle pet that's a guaranteed weekly drop for the player who triggers the rescue. Each player can do this once per weekly lockout.

Boss 1: Chief Corewright Kasreth

The opening encounter built around Leyline Arrays — environmental terrain that's safe to walk through normally but lethal when active.

Key Abilities

• Leyline Array activation — periodic terrain becomes lethal. Don't pass through active Arrays without a defensive cooldown.
• Corespark Detonation — outrange the initial impact, then watch for Arcane Spill lingering damage zones afterward.
• Reflux Charge — debuff applied to a player. The targeted player should sprint to and destroy as many Leyline Arrays as possible during the duration — this trivializes the fight's positional pressure for the rest of the encounter.
• Arcane Zap — interruptible cast. Kick rotation required.
• Flux Collapse — ground puddles. Sidestep.
• Sparkburn — party-wide debuff applied after each Corespark Detonation.

Role Notes

• Tank: When melee DPS gets Reflux Charge, position the boss closer to active Leyline Arrays so the targeted DPS can destroy them while maintaining uptime.
• Healer: Plan cooldowns around Sparkburn — the debuff goes out on the entire party every Detonation, so it's a predictable healing-pressure window.
• DPS: Coordinate Reflux Charge runs. The player with the debuff is the priority — everyone else maintains rotation.

Boss 2: Corewarden Nysarra

The big damage-burn fight. Nysarra has a Lightscar Flare window where she takes 300% increased damage, and the entire encounter pivots around being ready to dump cooldowns into that window.

Key Abilities

• Cursed Voidcaller adds — apply Creeping Void. Self-dispel if your spec has a self-cleanse; otherwise, kill the caster fast.
• Dusk Frights — fear effects from add-spawned fear spheres. Avoid the spheres, not just the fears.
• Void Ritual puddles — dropped by Grand Nullifier adds. Standard "don't stand in the bad" puddles.
• Dark Beckoning — frontal cone from the Duskfright Herald add.
• Null Vanguard phase — multiple adds at once. Kill priority: Dreadflail then Grand Nullifier before Lightscar Flare lands.
• Lightscar Flare — the burn window. Boss takes 300% increased damage. Use ALL your offensive cooldowns here.
• Umbral Lash — tank-buster. Major defensives.
• Void Gash — debuff that follows Umbral Lash. Manage the bleed stack.

Role Notes

• Tank: Major defensives during Umbral Lash, then handle the Void Gash bleed during recovery.
• Healer: Major healing cooldowns during Lightscar Flare — the burn phase comes with continuous group damage.
• DPS: Save your cooldowns for Lightscar Flare. Nothing else in the fight matters as much. A clean burn window can drop the boss 30%+ in a single rotation.

Boss 3: Lothraxion

The puzzle fight. Lothraxion's Divine Guile phase splits him into multiple shades, and identifying the real one is the test.

Key Abilities

• Brilliant Dispersion — heavy DoT on a target. Major defensive cooldown required during the duration. Avoid Fractured Images — they spawn during the cast and knock back.
• Divine Guile phase — Lothraxion splits into shade copies. Look for horns on the head to identify the real boss. Interrupting the wrong shade triggers Core Exposure group damage.
• Radiant Swarm — fixate ability. Use crowd control if it locks onto you.
• Searing Rend — tank-targeted. Major defensive.

Role Notes

• Tank: Major defensives during Searing Rend. Position Lothraxion away from Brilliant Dispersion targets.
• Healer: Major healing cooldowns during each Brilliant Dispersion application.
• DPS: Identify the horned shade before interrupting. Wrong-shade interrupts wipe the group on Core Exposure damage. If you're not sure, don't interrupt — let the tank/raid leader call out the target.

Trash Priorities

Specific trash priorities worth memorizing:

• Cursed Voidcasters in the back half — apply Creeping Void to the tank. Interrupt their casts.
• Various Naaru Constructs — heavy physical-damage shields. Purge them strategically.
• Patrolling Voidwardens — patrol routes interfere with main pulls. Time your engagements around their loops.

M+ Affix Considerations

• Tyrannical — Lothraxion becomes the wall. The Divine Guile puzzle gets significantly harder when you're tunneling damage to time the kill.
• Fortified — Trash density on the back half is the punishment. Bring AoE.
• Bursting — Sparkburn from Kasreth Detonations stacks worse with Bursting; rotate defensives.
• Quaking — gravity mechanics on the second boss compound; mobility CDs become critical.
• Volcanic — environmental hazards on top of Leyline Arrays make boss 1 a positioning nightmare.

The Single Best M+ Tip For This Dungeon

Save every offensive cooldown for Lightscar Flare on Corewarden Nysarra. Nothing else in the dungeon rewards burst as much. A coordinated burn window during Lightscar Flare can solo-time the entire boss kill in 30-40 seconds, which buys the entire group time to slow-play the rest of the dungeon.

Class Picks That Excel Here

Nexus-Point Xenas rewards strong burst windows (Lightscar Flare on Nysarra), reliable interrupts (Arcane Zap on Kasreth, casts during Lothraxion's add phase), and high mobility (Brilliant Dispersion knockback escape, Reflux Charge sprints).

Havoc DH and Demonology Warlock both shine here because Lightscar Flare lines up perfectly with their burst windows. Mage's blink solves the Brilliant Dispersion knockback. Brewmaster Monk handles the tank role for the smooth Umbral Lash absorption.

Related Reading

• All 8 Midnight Dungeons Guide — overview of the full rotation
• Magisters' Terrace M+ Guide — Quel'Danas-area M+ entry
• Maisara Caverns M+ Guide — Zul'Aman M+ entry
• Windrunner Spire M+ Guide — Eversong M+ entry
• Spec Tier List — meta picks for M+