In a flash, his arm was chopped by an axe he didn’t even see, then he was shoved over by the rush of the attackers. Dalinar hit the ground, stunned, looking with disbelief at the stump of his left forearm.

. . .

Dalinar was growing more and more fuzzy-headed. Finally, he relented and drew in some Stormlight. His arm regrew. First the cut healed, then the flesh expanded outward like a budding plant. In moments he wriggled his fingers, awed. He’d shrugged off a lost arm like a stubbed toe. The Stormlight cleared his head, and he took a deep, refreshed breath.

Oathbringer, p. 122