Since is an adult RPG, most official guides are found on developer platforms like Itch.io or community forums. Combat & Mastery Mechanics

“1st lvl Mastery will give her +15% Damage for any fire spell used 2nd lvl Master will give her +50% Damage reduction from any fire spell 3rd lvl Mastery.” Facebook · Summertime saga v0.14.1 · 3 years ago

The v0.4 update introduced significant mastery buffs for characters like , which are vital for progressing through tougher encounters:

: v0.4 expanded the story content; check the quest log frequently as some scenes are locked behind specific demon affection levels or story milestones. Community Perspectives

: Ensure you have a balance of fire resistance if facing fire-themed bosses, especially using Amaterasu’s level 3 mastery.

: Grants a +15% Damage bonus to any fire spells used.