Depth charges are anti-Submarine explosive weapons that are exclusive to the Destroyer and Bomber.
It can be built by placing down one Obsidian block on a Destroyer, under y 66. The Obsidian must be touching water outside the ship in order for it to launch.
When a Depth Charge hits the ocean floor, it will cause an explosion on all submarines within a 70 block radius.
Place down a sign on the Obsidian block and type DepthCharge
on the first line.
After right clicking on the sign, the Depth Charge is launched downwards. It will detonate in the water and deal damage to all Submarines in a 120 block radius around it.
Multiple Depth Charges can be launched at the same time by using a Remote Tool.