Genshin Impact - Spiral Abyss: Floor 12 (v4.0)

Blessing of the Abyssal Moon: When a character recovers HP, that character gains 10% increased ATK for 10s. Max 3 stacks. Each stack will be counted independently. When a character loses HP, that character gains 40 Elemental Mastery for 10s. Max 3 stacks. Each stack will be counted independently. The effects from recovering and losing HP are independent from each other, and stacks are counted independently.