Stunning#

If a Hero loses battle, the hero will be Stunned. In such case the Hero image will turn red and a Skull will appear on it. Hero will not take part in future battles until his Stunning will not pass.

If an assisting Hero loses battle, the hero will stay Stunned in the domain of assistance. Hero will return together with all troops after mission is completed.

Stunned Hero behaves like being in the Sanctuary, but Artefacts on hero Doll cannot be replaced.

Stunned Hero stays in the Garrison until player will not relocate the Hero into the sanctuary. Stunned Hero stays in the domain of assistance until the Assistance mission will not be withdrawn or completed. Stunned Hero cannot be sent on a mission.
Passive Skills and Spells are not working when the Hero is Stunned.
Mana is not regenerating when the Hero is Stunned.