Sacrifice

Result

Beetle + Spider

Receive a Dark Mistress.

2 Beetles

Automatically completes whatever is currently being built.

Bile Demon + Dark Mistress +  Troll

Receive a Horned Reaper.

2 Bile Demons

Turns your monsters into chickens.

Chickens

Makes gods angry.

2 Flies

Automatically completes whatever is currently being researched.

Fly + Spider

Receive a Warlock.

Ghost

Kills all of your chickens.

Horned Reaper

Makes all of your monsters angry.

Imps

Reduces the cost to create more Imps.

3 Spiders

Receive a Bile Demon.

Undead

Makes gods angry.

Vampires

All of your monsters will be diseased.