Eberron: Thirteenth Moon
Sildar is a kindhearted, duty-driven mercenary in the employ of House Sivis. He had been hired by Gundren Rockseeker to provide security for him and his brothers at the lost Mine of Phandelver. They were ambushed and overwhelmed by goblins on the way to Phandalin, leading to the events of the prelude adventure. He currently is situated in Phandelver, disheartened by his utter failure to protect his charge.