The Quaking of the Four Corners

Inflicts Fire/Ice damage (Magic, Power: 150) on all enemies while lowering their Fire/Ice Affinity by 3 levels. (1 turn)
Activates the following Chain Effect if successful:
Enters a state of Concentrate.
This skill will gain 10 BP every time a party member uses a skill with a stat debuff effect. (Max +200 BP)
[Democalypse Additional Effects]
Activates the following Chain Effect if successful:
Puts the party member with the highest MATK in a state of Concentrate, then grants an additional Press Turn Icon. (Once per turn)

Lv2: +5% to damage dealt using this skill.
Lv3: +10% to damage dealt using this skill.
Lv4: +15% to damage dealt using this skill.
Lv5: +20% to damage dealt using this skill.