Mounted
Prerequisites Level 2 Craftsman, Ranged Weapon, Heavy Property
You can take a Bonus Action to mount this weapon in a fixed position until the end of your turn. While mounted, this weapon can’t be moved and its damage dice increase by one step (d4 → d6 → d8 → d10 → d12, to a maximum of d12s) when the weapon is used to make a ranged attack.
Sources
Valda’s Spire of Secrets (2024)