Magnar didn't hesitate and with a cry of "Foul Creature" he tried to chop it into 2 half-beastmen, but keeping his axe ready to parry should there be a need.

Spoiler: OOC rolls and actions
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attack (half-action): (1d100)[56] vs 48 for (1d10+5)[10] damage
parry stance (half-action)