[ Gaunt is there to meet the lunge with a shoulder rush, taking advantage of her moment of planting feet and preparing for the lunge to try to press his advantage, trying to slam into her and knock her flat before she can complete the lunge (and likely the blade thrust that will inevitably come with it.) ]
Gngh! [ Gaunt grunts, a certain degree of noise from the strenous physical effort of a fight inevitable. ]