If it drifts as fluffy, it will attack you. It is a dangerous mob that explodes only by touching.
It is the Japanese urban legend 'Kunekune'. Although it does not move, it gets damaged just by putting it in sight, the time of fighting is very troublesome.
Although it will not move within view, as soon as it comes out of sight, it will be coming. Teleport it if you hit it.
Because there is no entity, it passes through the wall. But physical attack is effective :D
Melt the surrounding blocks one by one. When divided, it becomes easier to destroy the topography. Obsidian can not dissolve, but it is dangerous if it is a regular base
Plasma cutter addition. Although the bullet of speed is very fast, when to reload, it is necessary to craft.
Powerful mobs. They are active at night.
I love DeadSpace! :D