GooPMinion{}
It is usually easier to summon mythicmobs already as minions using GooPSummonMinion mechanic
This mechanic allows you to turn vanilla mobs into minions, though.
RecruitAll:
Skills:
- GooPMinion{lr=30;s=Recruit_Dismiss;weight=0;ppd=false} @EntitiesInRadius{r=20}
Recruit_Dismiss:
Skills:
# Runs when the mob dies, or its owner logs out or dies
- effect:lightning @SelfLocation
- remove @Self
This skill will turn every nearby entity that has no "GooP Summoner" into your minion. Minions can only have one "Summoner" or "Owner," so they are ignored.