Help with Projectile dmg

Feuerfuss:
  Skills:
  - projectile{onTick=Feuerfuss-Tick;onHit=Feuerfuss-Hit;v=8;i=1;hR=1;vR=1;mr=30;sb=true;hp=true} @a[r=30] ~onTimer:2200
Feuerfuss-Tick:
  Skills:
  - effect:particlering{particle=flame;radius=2;points=32;amount=250;hS=1;vS=0} @Self @Origin
  - delay 5
  - effect:particlering{particle=flame;radius=4;points=32;amount=350;hS=1;vS=0} @Self
  - delay 5
  - effect:particlering{particle=flame;radius=6;points=32;amount=450;hS=1;vS=0} @Self...