Fail

The Essence of Darkness had already existed inside his body and it had been nourished for a long time. This made it easier to combine the Essence of his cultivation energy with the Essence of Darkness to spread it through his body. 

Nial could make use of this to enhance his strength a little faster while he took care of other things.

After the Dungeon Raider Task Force had been created, there was no need for Nial to search for too many resources. The resources he obtained could be sold and traded for other items he may need. That way, Nial could start to stockpile a wide variety of resources without moving a finger.

There were still materials he couldn't get his hands on that way, but he could acquire them on his own when needed.