Rattus ex Machina is a Skaven loyalty Dilemma. The Lord this relates to appears in the top of the dilemma message.
Clan Skryre! Those crazed and manic rats mix magic and science together to make arcane, biological horrors. Now they want to do it to your troops. Disgusting, sir, or tempting?
1st Choice[ | ]
Let them create monsters: Loyalty +1, Attrition (Lord's Army
Deny them: Loyalty -1
2nd Choice[ | ]
The Clan Skryre rats skulk back to you. Their vicious little noses twitch in anticipation - your subjects were exquisite, they say, and they want more...
Give them more: Loyalty +2, Attrition
Deny them more: Loyalty -1