Stone Skin cuts all incoming damage by up to 80% for a flat 10 seconds. It is the longest defensive window in TUSG.io — less flashy than Reflect Damage, far more forgiving to time.
Skill levels are bought with learning points (LP). The table below is generated from the live game data, so it always matches the current balance.
| Level | Cost | Total spent | Effect |
|---|---|---|---|
| 1 | 1 | 1 | 10s · -8% Damage |
| 2 | 3 | 4 | 10s · -16% Damage |
| 3 | 5 | 9 | 10s · -24% Damage |
| 4 | 7 | 16 | 10s · -32% Damage |
| 5 | 9 | 25 | 10s · -40% Damage |
| 6 | 11 | 36 | 10s · -48% Damage |
| 7 | 13 | 49 | 10s · -56% Damage |
| 8 | 15 | 64 | 10s · -64% Damage |
| 9 | 17 | 81 | 10s · -72% Damage |
| 10 | 19 | 100 | 10s · -80% Damage |