Very sharply limiting as is.. However placed several stories up on top of a Base it cant be beaten to Anti Gjall defence prolly need 2 per Gjall unless you plan to helping and have it set at least in a stone turret or platform to survive the Gjall blasts.

What the base design needs in an Upgrade "Switch" (I suggest a Horn we could sound that set the Ballastae to "ON" mode a second blast on our Mini Gjallahorn (See what I did their?) shuts them off again. Suggest 1x Mandible 2x silver 3x Amber 1x brass 3 leather scraps and 10 refined Eityr