Immortal punches Space Marine

His first swing was like striking the bulkhead on a battleship. Sparks churned the air but the blow left little more than a scar against the necron's torso. Up close the elites were even bigger, dwarfing even the Space Marines.
...
A savage blow to his solar plexus cut his victory short. He felt is armor plastron crack and struggled to breathe before his multi-lung kicked in to take up the slack of his collapsed organ.

Fall of Damnos pg. 106