Boss
Copper Monstrosity
Copper Monstrosity is explicitly identified in developer gameplay as a major story boss. The demonstrated party encounters it while searching for Supreme Evoker, then picks up a story-important Note Block after the fight.
- Type
- Story boss
- Story target before encounter
- Supreme Evoker
- Post-fight item
- Note Block
- Confirmed attacks
- Heavy punches, lightning AoE, full-arena dash
- Loot
- Unknown / not yet verified
Official boss screenshot

Gameplay evidence
Story encounter
At roughly 10:33–11:44 in the supplied developer gameplay, the group is described as looking for Supreme Evoker before Copper Monstrosity appears as the major story encounter.
What happens after the fight?
At roughly 12:00–12:40 the group picks up a Note Block. The developers state that this object is important to the story, while deliberately withholding the full explanation.
Attacks and strategy
Xbox's gamescom hands-on confirms three major threats: heavy punches that demand careful dodging, lightning AoE attacks telegraphed by sparks crawling under the player's feet, and full-arena dashes. The fight punishes standing still and rewards keeping enough mobility or potion capacity to recover from mistakes.
The hands-on also describes the boss as capable of removing large portions of health in seconds, so the safest launch-week advice is to preserve dodge availability for its telegraphed attacks rather than spending every roll on basic movement.