"I know that I was a bit rude when I dealt with you at first, I'm usually not like that, I just have a small problem that makes me lose my calm very easily, I was usually able to suppress it, but I had strangely lost my control during the whole time since we met, I'm not sure why that happened though…" Mountain explained before he took a small pause…
'Hmmm, is it because of the mind bugs?'
While I didn't know what was the reason behind Mountain's mental problem, I could only guess that the loss of self control might have been caused by those 'Ancient Bewitching Marks' as they were the only strange thing that should have happened to him…
After all, they did lose a part of their memories and even follow certain commands at the very end, so the bugs being the cause of a simple effect such as losing control of certain emotions didn't sound wrong at all.