V
ArcaneRecommended level 3812-18 minutes

Arcane Architect Boss Guide

The Arcane Architect is a unique fight. Every 30 seconds, the boss copies one of your Voidlings' ultimates and casts it back at you. The fight is about timing, positioning, and reading the boss.

📍 Hexspire — Arcane Atrium

Weaknesses

ShadowLight

Resistances

Arcane

Phases

1

Phase 1 — Mirror Cast

Starts at 100% HP

The boss copies your active ultimate and casts it back. Use cheap abilities first.

Attack pattern

  • · Mirrored Ult (copies yours)
  • · Arcane Bolt
  • · Reality Tear

Strategy

Run a cheap build in Phase 1. Use your strong cooldowns only after the mirror cycle.

2

Phase 2 — Mana Drain

Starts at 50% HP

The arena gains a mana-drain field. Cooldowns double in length.

Attack pattern

  • · Mana Drain field
  • · Mirrored Ult
  • · Arcane Bolt spam

Strategy

Bring a Voidweaver. The Mana Tide passive ignores the field debuff.

3

Phase 3 — Rune Storm

Starts at 20% HP

The arena fills with rotating rune sigils that explode on contact.

Attack pattern

  • · Rune Storm
  • · Mirrored Ult
  • · Reality Tear

Strategy

Stay in the safe quadrant. The sigils always leave one quadrant open.

Recommended Team

  • DPSVoid Stalker or Umbrahound
  • Anti-mana-drain DPSVoidweaver
  • HealerWorldroot

Top Tips

  • · Voidweaver is mandatory. The Mana Tide passive ignores the Phase 2 field.
  • · Don't blow your strongest ults in Phase 1 — the boss copies them back at you.
  • · Watch for the safe quadrant in Phase 3. The pattern is clockwise.
  • · The boss is the only one in the game with a "no repeat" mechanic — every cycle is unique.

Rewards

  • · Arcane Lens (key item)
  • · 15,000 Mutagen
  • · Arcane Egg (rare)