laut enterbrain ist genau das der fall:
Zitat Zitat von HelpFile - BattleFormulas
Elemental modifier: The weakest of B's effective elements corresponding to the action's element(s).
A: 200%, B: 150%, C: 100%, D: 50%, E: 0%, F: -100%
Reduced by half if B's armor or state has a defending (opposing) element.
When there are more than one of the same defending elements, the damage may be halved multiple times.