Each enemy standard bearer that is removed as a result of a successful pursuit move or slain in combat by a unit of Bestigors adds +1 to their future Combat Resolution. If the unit flees for any reason, they will lose this bonus.
Source: Warhammer Armies Project: Unofficial 9th Edition (v2.2)
Each enemy standard bearer that is removed as a result of a successful pursuit move or slain in combat by a unit of Bestigors adds +1 to their future Combat Resolution. If the unit flees for any reason, they will lose this bonus.