Kralim

Scaling and Luminas

Level 2

Casting a Skill increases the Skill damage of all other elements by 20%. Resets when casting a Skill of a previous element.

Level 3

On turn start, if no Stains, 2 random Stains are generated.

Level 4

+1 AP when Stains are consumed.

How a grade turns into damage isn't confirmed yet; the grades and unlock steps are from the game's weapon table.

Where to get it 5

Areas come from where each chest and encounter is placed in the game's levels. Merchants' areas come from their names in the game's merchant table; a few rewards are handed out by scripted events and show as not placed.