You are using 'vampiric blow'.

You are prepared to do the skill.

Your blow impacts with chaotic force...

Pointing pike at Scuba orc, you unleash a writhing mass of chaos magic into
him, who shudders and collapses without a sound!  In the blink of an eye, you
swing 8 MASSIVE blows into his bloody body.  pike burns with fury as the light
of life fades in Scuba orc's eyes.  You can scarcely stand as powerful healing
magics heal your every wound.