This is suitable for the Rotation (Arcane Blast xN + Frostbolt x3).
It is activated when the debuff is 1,2,3 stack.
If you do not apply for arcane blast 3 stack casting after the frostbolt, it will warn you.
20210831 English client available.
20210911 Show icon on stack1,2.
remove every frame
20210913 make 'cast time text' live (final ver.)