Holger is swallowed by Claude inside Fort Freedom, teleported to shore, and survives the chaotic boss fight unconscious.
Holger is in beaver form and already inside Claude Sludgington the Fourth when Carl recalls Samantha. Claude spits both of them onto the riverbank, leaving Holger slime-covered and unconscious.
The boss swallows and vomits him again during the fight. Holger eventually wakes near Carl's feet, confused about his location and complaining that the monster ate him.
A slime-soaked beaver-form were-castor, dazed and repeatedly deposited on the muddy ground.
Holger is a surviving casualty carried out of the fortress inside its boss.