Thermoblade (Subnautica)
The Heat Blade is a tool and upgrade to the regular Knife and is crafted by using the workbench.
In general, it can be used as a tool for harvesting or defense. However, its primary use is that it cooks fish in one swipe.
The Heat Blade has a limited durability of about 34 strikes against an object.
Recipe
Gallery
Floating Heat Blade
Up close
Heated Blade in the Player's hand
Heated Blade on seabed
Trivia
Markings on the Heat Blade indicate that it was made by "Alterra Arms Incorporated". Alterra is a corporation also known from the game Natural Selection 2, which was developed by Unknown Worlds Entertainment.