First Aid
Rarity
- Common
Type
- Battle
Max level
- 3
Price
- 2 / 3 / 4 Essence
Stages
- All stages
Effect per level
Lv.1
Once per battle, instantly heals the first ally to fall to 30% HP or less for 20% of max HP.
Lv.2
Once per battle, instantly heals the first ally to fall to 30% HP or less for 28% of max HP.
Lv.3
Once per battle, instantly heals the first ally to fall to 30% HP or less for 36% of max HP.
Lv.4 (Engineer)
Once per battle, instantly heals the first ally to fall to 30% HP or less for 44% of max HP.
Shop odds
Share of its rarity among Shop offers, by wave
Waves 1-4
- 85%
Waves 5-10
- 70%
Waves 11-14
- 62%
Waves 15-20
- 52%
Waves 21+
- 45%












