I heard a rumour you can wipe the entire Legendary chaos invasion if you wipe out Kholek, Sigvald, and Archeon in one turn.
It's worse than that.
You don't even need to kill Archeon, and the entire invasion is completely trivialised by just killing Sigvald and Kholek.
I had a treeman stack as Durthu, so I could mostly autoresolve the battles. Kholek attacked me over the end turn, and then I attacked Sigvald to test if the rumours w