Here is the third lost scenarios of Heroscape! This is the last of the group that was designed to be released around Wave 10's release which is why it includes the Quasatch Hunters.
Utgar's Invasion at Feldspar Pass is a 2 player scenario that uses 1 Swarm of the Marro Master Set, 1 Rise of the Valkyrie Set, and 1 Ticalla Jungle Set. It uses a new battlefield called Feldspar Pass.