The Descent: Journeys in the Dark (Second Edition) Wiki
Summon Gargan Mirklace
3 Threat to Purchase
Exhaust this card after setup of an encounter and choose 1 open monster group. Replace that group with the Gargan Mirklace agent.
If the Gargan Mirklace agent is defeated, return this card to your Plot deck.
You cannot use this card in the "Shadow of Nerekhall" campaign.
Burning Ambition 2 Threat

Summon Gargan Mirklace is a Plot Card that allows the Overlord to summon Mirklace into any encounter except those in the Shadow of Nerekhall campaign. It costs 3 Threat Tokens to purchase this Plot Card, and 2 Threat Tokens to exhaust it.