Hemoglub

Hemoglubs are small pink furry balls with two organic eyes and a pair of pink fluffy wings that are enclosed in a thick spikey armor-like casing. Their casing is so hard that when you slash them using a sword, the blade of the sword would break in half.

Hemoglubs die easily when they make contact in water, for "water is like lava to them", according to Animos.

Battle Strategy
It's impossible to break a Hemoglub's casing, so in order to destroy it and reveal its true skin, you'll have to hit it with another Hemoglub. You can do this by using your Skullus (It's still unknown yet if it's possible to kill a Hemoglub using a Bullus) to capture a Hemoglub using a net, and then using it as a morning star/medieval flail to hurl and hit other Hemoglubs using it. By doing this, you can crack the hard armor of the Hemoglubs, and they'll escape once their true skins are exposed.

To kill the last Hemoglub that you captured using the net, the only possible known way is to dip it in water. It'll melt because water is like lava to them.