The Mutant Monster Gecko was a lot stronger than a regular Monster Gecko. Then again, to the Red Demon, both were similar in strength, inconsequential before it. No matter which one faced against it, the Red Demon was able to kill both with a single hit.
However, that wasn't why it was frowning. It was the fact that the Green Demons had only been injured partially once. This was a level of injury that wouldn't have mattered even if they hadn't healed themselves using the miasma.
On top of that, they had already healed themselves using the miasma. But then, sometime later, bone trees grew out of them, absorbing everything forming their bodies. Then, they later bore fruits that ripened within a minute. When the fruit fell on the ground and splashed open, a Mutant Monster Gecko walked out. This was what startled the Red Demon.
