Knew that it was still hard for him to kill a beast unless his mutations activate. Alfin chose the simple path of killing with poison.
Let the Mutant beast experience what it's like to be poisoned.
And like Alfin expected, the moment the poison entered the body of the beast, it started to wreak havoc, making the area around it dangerous as the beast cried in pain while lashing out its vines at everything around it.
'Truly, man-made poisons are way more dangerous than the ones naturally available in nature.' Alfin was not much surprised to see the pained expression of the giant mushroom that was wiggling its tentacles in a futile attempt to distract its mind from the pain.
Anyone would suffer from the same pain after they are injected with Alfin's poison.
"Mister Nephylite, if you don't mind. Please secure its useful parts before it's too late." Alfin accounted, not intending to waste the core materials for another gene serum.