Boss
Copper Monstrosity
- Story
- Rematch
Quick counter
Weak to
- Poison1.5×
Resists
- Lightning0.65×
This boss takes increased damage from Poison.
How to beat it
How to Beat Copper Monstrosity
Quick Fight Plan
- This boss takes increased damage from Poison.
- Damage from Lightning is reduced.
- If your current build leans on Lightning, changing damage direction usually matters more than raising Item Power.
- It brings reinforcements (Shockwave, Summons reinforcements), so clear the adds before they stack up.
- Watch for Projectile, its most dangerous recorded attack.
- Encountered in: Wading Rainy Plains
Every line above is generated from the published boss data, not from an untested tactic.
Before You Fight
- Check its damage weakness
- Equip a damage option that matches
- Review the encounter quest
- Prepare healing and survival options
Boss
Key stats
- Base HP
- 2,400
- Poise
- 1,200
- Speed
- 4 blocks/s
- Base attack damage
- 30
- Souls
- 200
Base game-data value used for comparison. Encounter scaling can change with progression and difficulty.
Highest base attack damage recorded. Damage you actually take depends on difficulty and gear.
Damage type finder
Damage Matchups
Which damage types are stronger or weaker against this boss. Missing entries deal normal damage.
Weak
- Poison1.5×
Resist
- Lightning0.65×
Normal
8 damage types
- Melee
- Ranged
- Fire
- Frost
- Soul
- Blast
- TNT
- Elemental
Damage types without an entry deal normal damage (×1.0).
Open Matchup CheckerAttack data
Attacks to watch
Every recorded attack with its base damage, damage type, reach and cooldown.
Projectile
- Base damage
- 30 ×3
- Damage type
- Ranged
- Reach
- 30 blocks
- Cooldown
- 10 sec
Heavy melee
- Base damage
- 30
- Damage type
- Melee / Soul
- Reach
- 10 blocks
- Cooldown
- 10 sec
Charge or dash
- Base damage
- 25
- Damage type
- Melee
- Reach
- 5.5 blocks
- Cooldown
- 6 sec
Melee combo
- Base damage
- 10
- Damage type
- Melee
- Reach
- 10 blocks
Charge-up
- Cooldown
- 20 sec
Danger is not only damage. A 30 ×3 volley at 30 blocks is a different threat from a 90 damage short-range slam.
Boss mechanics
Summons, shields, heals and other abilities change the fight, so they are kept apart from attacks.
- Shockwave
- Summons reinforcements
Encounter
Where You Fight Copper Monstrosity
Rewards
Rewards and farming
First-clear rewards stay separate from repeatable rewards, so you can see what is worth replaying.
First completion
Repeatable rewards
Observed reward context only. Specific item drop odds are not published.
Rematches
Fight This Boss Again
A revived boss is the same boss with a harder encounter, so it keeps the same boss page.
Rematch
The Copper Monstrosity Revived
Prepare a build
Build for this boss
Useful direction
- Poison 1.5×
Avoid relying on
- Lightning 0.65×
Keep going
What Happens After This Fight
Encountered in
Wading Rainy Plains
Next Step
Next boss: The Prime Enchanter
