Percussion

Grades

Grades	Level	AP	Range	Critical %	Casts per turn
1	0	3	1–4	0	2
2	0	3	1–4	20	2

Effects

Grades 1

25 to 28 Air damage
50% ErosionDuration 1

Grades 2

61 to 70 Air damage
50% ErosionDuration 1