Burst
Continuously landing hits gradually increases attack and elemental attack. (The amount of increase depends on the weapon.)
Lv. 1: Upon attack hit, temp attack +5, element +5; hit 5 successive times for an extra stat boost.
Lv. 2: Upon attack hit, temp attack +5, element +5; hit 5 successive times for an even bigger stat boost.
Lv. 3: Upon attack hit, temp attack +5, element +5; hit 5 successive times for a huge stat boost.