Not even with your procifiency bonus. [He shakes his head solemnly.] But...as the wyrmling deftly dodges, the guardsman gets a hit on its rear flank! It pierces the scaly skin for seven damage.

[He nods excitedly as he marks down more damage for the monster.]

It twists around to bite the man who just attacked it. It clamps his mouth around his torso for nine piercing damage and three fire damage. He looks badly damaged, not dead, but close to it.