Corrosion skill: A Minus Coin with 24 Base Power and −10 Coin Power that triggers Tremor Burst on hit (Tremor Count decreases by 2). On Critical Hit or Tails Hit, it triggers an additional Tremor Burst. On Critical Hit, it also inflicts Bleed.
Passive — Fallen Stone Pagoda: Defeating an enemy with Bleed grants 2 Poise and 2 Poise Count, up to 3 times per turn. It works when you are defeating enemies one after another.
How to Use
It has no standout effect, so use it to cover what is missing in a team built around Bleed, Tremor, or Poise.
It pairs well with Identities that want Bleed Count added immediately.
Its Clash Power is 18–27, likely lacking punch as a low-cost Clash option.
It requires 2 Wrath, 2 Sloth, and 1 Pride, with an Awakening Sanity cost of 20.
A practical guide based on the skill and passive descriptions below.(Updated: 2026-10-18)
ANALYSISThreadspin
Ⅱ: Unlocks Fallen Stone Pagoda.
Ⅲ: Increases Bleed Count and Tremor infliction, and adds Paralyze.
Ⅳ: Awakening becomes multi-target, and the Corrosion skill's Bleed infliction increases.
SKILLSSkill
Awakening
Awakening skill
Blunt
Clash Power
18~27
Base Power
18
Coin Power
+9
No. of Coins
1
Skill Level
Identity Lv-2
Attack Weight
31 → 3
ⅠOn Hit Increase Count by 3/4
On Hit Inflict 4/5
ⅠOn Heads Hit Inflict 2
Corrosion
Corrosion skill
Blunt
Clash Power
14~24
Base Power
24
Coin Power
-10
No. of Coins
1
Skill Level
Identity Lv-2
Attack Weight
3
Indiscriminate Attacks random targets
ⅠOn Critical Hit
On Critical Hit Inflict 4/6/8
On Tails Hit
On Hit . Count decreases by 2
Normal Coin Unbreakable CoinThreadspin ⅢThreadspin Ⅳ mark additions or changes at those Threadspin tiers. Multiple values represent different tiers; the larger value is for the highest tier.
PASSIVEE.G.O Passives
E.G.O Passives
Fallen Stone Pagoda
On killing an enemy with , gain 2 and 2 Count (3 times per 1 turn)
※Unlocked at Threadspin Ⅱ; active from the turn after E.G.O use until the end of battle
Blade Lineage Salsu: A Poise Identity whose Pride and Sloth skills supply the required affinities, and who meshes with the passive's Poise gain.
KEYWORDSEffect Glossary
Bleed
When an attack skill Coin is rolled, take fixed damage equal to this effect's Potency.
After the Coin roll, reduce Count by 1.
Tremor
When taking damage from a skill that triggers Tremor Burst, raise the Stagger Threshold by the Potency.
At Turn End, reduce Count by 1.
Paralyze
For 1 turn, set Coin Power to 0 for a number of Coins equal to this value.
Tremor Burst
Raise the target's Stagger Threshold by their Tremor Potency.
Poise
When flipping a Coin, has a [5 × Potency]% chance to deal a Critical Hit.
Critical Hits deal 20% more damage.
At Turn End or after a Critical Hit, reduce Count by 1.