Unflinching, Keshkaru faces the angry bear, still trying to soothe him as best she can.

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I don't know what else to roll, so I'll let Bink adjudicate the outcome.

If and only if Bardolph attacks somebody, then Keshkaru will resort to non-lethal attacks with her tail:
#1 (1d20+5)[17] non-lethal bludgeoning (1d6+4)[5] (includes +1 for Inspire Courage and -2 for non-lethal)
#2 if applicable, (1d20)[19] non-lethal bludgeoning (1d6+4)[6]