Copper Monstrosity

How to beat Copper Monstrosity

Written from Copper Monstrosity's attack data, hazards, resistances and co-op health.

• Bring Poison: it takes +50% Poison damage and 35% less Lightning.
• Redstone Projectile fires 3 shots of 30 every 10 seconds with a 30-block reach: no spot in the arena is out of range, so keep moving.
• Charge (25) is followed by a 30 Soul-damage strike: dodge the charge, then dodge again.
• Its lightning hazards apply Zapped: Thunderbolt Strike hits for 15 across 3.75 blocks and Lightning Strike for 8, and its Area Slam deals no damage but applies Zapped within 5 blocks.

Every attack Copper Monstrosity can use, with base damage, reach and cooldown from its ability data.

Copper Monstrosity attacks

Attack	Combo damage	Type	Reach	Cooldown	On hit
Redstone Projectile	30 × 3	Ranged	30 blocks	10 s	—
Post-Charge Strike	30	Melee · Soul	10 blocks	10 s	—
Charge	25	Melee	5.5 blocks	6 s	—
Left Swing	10	Melee	10 blocks	—	—
Right Swing	10	Melee	10 blocks	—	—
Combo Finisher	10	Melee	10 blocks	—	—
Bite	—	Special	5 blocks	3 s	—
Static Charge	—	Special	—	20 s	—
Static Charge (stage 1)	—	Special	—	—	—
Static Charge (stage 2)	—	Special	—	—	—
Static Charge (stage 3)	—	Special	—	—	—
Area Slam	0	Melee	5 blocks	—	Zapped

Other abilities: Summon Redstone Cubes, Shockwave Slam.

Puddles, mines and explosions Copper Monstrosity leaves behind, from the game's prop data: stay out of the radius.

Copper Monstrosity hazards & ground effects

Hazard	Damage	Radius	Lasts	Applies
Thunderbolt Strike	15	3.8 blocks	—	Zapped
Lightning Strike	8	2 blocks	—	Zapped

Copper Monstrosity weaknesses and resistances

Copper Monstrosity takes extra damage from Poison: bring it.

From its damage-taken multipliers. Enchantments are matched by the damage type they deal, gear by the game's own element tag.

• Poison+50%Bring PoisonPoison FogAll Poison gear (12)
• Lightning−35%Avoid LightningLightning SurgeThunderingAll Lightning gear (8)

The game multiplies Copper Monstrosity's health by party size (MultiplayerScalingDefinitions). Base health before level and difficulty scaling.

Party size also grows enemy groups outside boss arenas: ×1.2 with 2 players, ×1.5 with 3 and ×1.9 with 4. Boss-arena waves stay the same size whatever the party size.

Where Copper Monstrosity fits in the story

Copper Monstrosity is fight 4 of 10 in the main story, in Wading Rainy Plains.

• Story questWading Rainy Plains
• Boss arenaRainy Plains
• Previous bossTwisted Warden
• Next bossThe Prime Enchanter

Every boss in story order

Copper Monstrosity versions

The standard fight and its harder versions.

Mob	Health	Hardest hit	Poise
Copper Monstrosity	2,400	30	1,200
Copper Monstrosity	700	30	700

Copper Monstrosity quest rewards

Items from the quests where you fight Copper Monstrosity.

Item	Source
Scythe	Repeat runs
Stormcaller	First completion

How to fight Copper Monstrosity again and what each kill can drop.

• ↻The Copper Monstrosity Revived — a replayable quest with this fight. First-clear rewards: 1. Repeat clears add area loot rolls (1).
• ★Each item it drops has a 16.7% chance to be Unique. On Easy, nothing rolls Unique.

Odds for any one Unique: Drop calculator

Quests with Copper Monstrosity

• Main questWading Rainy Plains
• Side questThe Copper Monstrosity Revived

Copper Monstrosity spawns in 1 areas.

Area	Rec. level	Spawns as
Rainy Plains	21	Quest fight

How mob stats work

Health and damage here are the base values in the game data; the game multiplies them for your level and the difficulty, so use them to compare mobs. Poise is the stagger a mob absorbs before it is interrupted, and weakness multipliers change the damage it takes from each type.

How We Source Data

Data from the Minecraft Dungeons II game files, build 1.1.3.0. How we source this