Once per round, the character can, if he wishes, transfer 1d6 of the damage suffered by an ally to himself.
Evolution
Level 3: The damage transferred increases to 2d6 but the character only takes 1d6 damage.
Level 5: The damage transferred increases to 2d8 but the character only takes 1d8 damage.
Level 7: The damage transferred increases to 2d10 but the character only takes 1d10 damage.