Lynchburg (9-7, 6-2) broke a 1-1 tie by scoring 14 straight goals to complete the first half and cruised to the win over Shenandoah (7-9, 3-6).
LC re-took the lead 39 seconds later before building an 8-1 lead by the end of the first.
The hosts scored all seven of the second quarter goals, both tallies in the third and the initial goal of the fourth before Brooks snapped the visitor's scoreless draught by scoring unassisted with 7:10 to play.
LC outshot SU 53-14, won 17-of-28 faceoffs and grabbed 35 of the game's 60 groundballs.
Shenandoah will announce its 2019 schedule in late summer.