10
Cooldown- 5s
Every 5 seconds:
- Gain 1
per 
On shop entered:
- Go Mining (Surface)
- Go Mining (Underground)
- Go Mining (Core)
Level bonus Lv 2–15
Every 5 seconds:
- 5% → 100% chance to gain 1 per
All 15 levels
- Lv 1Base item
- Lv 2Every 5 seconds: 5% chance to gain 1 per
- Lv 310% chance
- Lv 415% chance
- Lv 530% chance
- Lv 635% chance
- Lv 740% chance
- Lv 845% chance
- Lv 950% chance
- Lv 1065% chance
- Lv 1170% chance
- Lv 1275% chance
- Lv 1380% chance
- Lv 1485% chance
- Lv 15100% chance
