Pet
Pets protect adventurersAdventurerEach character created by a player is an Adventurer. Each adventurer is a party member. from a number of harmful effects in Tamriel. However, each time the adventurer resolves a ability, they must add an HP chip on top of the card. A with HP chips on it must be discarded after its HP limit is reached or the session ends. These chips cannot be removed unless an ability specifically refers to them. A may be placed in your pack when gained, but once it is placed in a ready slot, it cannot go back into your pack.
What if a game effect forces a pet back into your pack?
Once a pet has been placed in a ready slot, it cannot go back into your pack. If a game effect forces you to put a pet into your pack, you must instead discardDiscardCards are discarded to a separate discard stack. Dice return to the supply. Defeated enemy chips go to a defeated enemy stack. Other chips go to the appropriate draw bag or supply. it. One such game effect that might force this is the Native enemy skill FreezeFreezeWhen this unit determines a target, its target must move 1 item from a ready slot to their pack. If the party is currently in an under siege town, the target must move all items to their pack. in SkyrimSkyrim [SK]Native Skill - Freeze.
Source