Heavy Turrets do 185 damage per shot. They shoot 4 bullets at a time. If you measure out the bullets you need according to the voidwyms health, they will get it just down to 10% HP so you can mount it for the passive taming process. So if the health is 5k..do 5000/185. Then multiply that by 4 since the turrets shoot 4 at a time. If you are using 4 turrets just divide by 4 after that to even out ammo between them for faster damage.

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