ARK: Survival Evolved - Elevator and Ballista (Gameplay) - YouTube
Ballista Turret - ARK: Survival Evolved Wiki
Jeremy Stieglitz on Twitter: "ARK v243: Chain Bola at the ready, capable of grounding fliers and big dinos! (Ballista supports multiple ammos!) https://t.co/DkuVxxrORS" / Twitter
PLESIOSAUR BASE BUILDING SADDLE, BALLISTA TURRET, ELEVATORS! (ARK PATCH/UPDATE 214 GAMEPLAY) - YouTube
ARK #115 Ballista Turret [Deutsch/HD] - YouTube
BALLISTA TOWER - Building the Ballista - ARK: Survival Evolved #9 - YouTube