The demon Astaroth had enraptured Han-Yeol, who was much more logical rather than instinctual thanks to the various hardships he had gone through in life, with an intense emotion before leaving him all alone. He felt that this was the precise reason why people offered up their souls to a demon despite knowing that it could only be a bad idea.

It was only after that did Han-Yeol calm his breathing and thoughts before he picked up the piece of paper that the demon had left behind. Looking at it, he thought, ‘So this demon will be my teacher in the basics of weaponry?’ 

It was a bit funny now that Han-Yeol was calling a demon his teacher, but it did not matter to him whether it was a demon, human, or angel as long as he was able to grow stronger. He was prepared to consider anyone or anything that was beneficial to him as his ally, regardless of their racial background.

‘Also, the Shadow Demons have gotten much stronger thanks to the gift Astaroth-nim left behind,’ Han-Yeol thought.

Thirty percent was an unbelievable number when considering the fact that it buffed both the abilities and stats of the demon he summoned. It might not be such a huge amount when applied to a low leveled demon, but the difference would be as vast as heaven and earth if it was a high leveled demon instead.

‘Hmm… should I gather more sacrifices?’ Han-Yeol wondered when he remembered the fact that Astaroth had called the Giant Ants basically rubbish. ‘Maybe it worked previously because...