Lesser possession. The marine is possesed by a demonic entity. It retains its own ability to act. It has complete loyalty to the demon which has possessed it. The marine speaks with its own voice. The marine is completely immune to pain.
Hunker down. Cover grants marines one extra die of cover when in cover.
Protector. Marines can take an attack meant for an adjacent ally. If the attack hits the ally, the marine takes the damage instead. If the marine has a shield, the ally also benefits from the shield's defense bonus.
Get on with it (2). Once per day, marines can pause for two actions and recover 2d6 HEALTH.
Double tap (m).Once per turn, a marine can fire two quick shots at a target at the cost of just one action, paying 2d6.
Demonic traits. A possessed marine has the demon traits Sense Good, Immunities, and the Evil virtue.