1) aggression mine
Anyone caught in blast radius turns aggressive and will attack anyone and anything
2) super radiation mine
So much rads anyone caught inside instantly turns into a feral ghoul. Insane.
I have more sinister plans you see.
With these mods you could make an arena having settlers fight to death 1 vs 1 or in a team against ghoul horde. Unarmed
Of course.
Ferals who were once settlers do not despawn sp must be killed. So you could make all 24 settlers sleep in a room of 24 beds. Put wardrobe infront of door and activate the trap inside. Boom, 24 ferals. Leave them inside and because they dont despawn they will stay there. More settlers come to your settlement via radio beacon or send them from elsewhere.
Then FIGHT!
I would use these arena matchea as initiation for joining our civilian population at my settlements.
I would even participate, or when about to spectate a tournament have them all sit in chairs with a coloured light behind, a terminal randomise the colours and thats how you select who is gonna fight.
The possibilities are quite good.
I even have an imperial city-like arena built in the movie drive-thru. It just needs blood!