Its main feature is if it bites you your are immune to radiation for 500 seconds with the side effect of it rarely taking away stamina,health,ect, but usually it never gives you any of these, hoped this helped!-C

Try taming it, setting to aggressive, then unclaiming it to have a lamprey when needed instead of searching for one every time.

Try to write Aberration correctly at first :P

Use this for light stuff.

Walk up and punch it, then it will latch on to your arm and proceeded to use it's serrated tounge to dig a hole in your flesh and drink your blood. I know gave me nightmares too

The ghetto way to get a rock drake, pop one of these on and hop in with your mount and get the rock drake

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Stand over a fire if a leech is On you. If it gets on your tame go up to it their should be a hand click the hand and the leech will disappear