Skills:
  - state{s=spawn} @self
  - addtag{t=skillRunning} @self
  - setAI{ai=false} @self
  - blockwave{duration=10;material=obsidian;radius=5;radiusY=1;velocity=2;shape=sphere;onlyair=true} @self
  - damage{a=100} @playersinradius{r=4}
  - delay 18
  - effect:blockunmask{r=6} @selflocation
  - delay 20
  - setAI{ai=true} @self
  - removetag{t=skillRunning} @self