The Soul Potion

"Can I drink this? Should I?

 Abel was hesitant, but he trusted the Horadric Cube. After all, it gave him all the skills he had in this world. With that in mind, Abel poured the strange-smelling potion into his mouth.

As he swallowed, Abel felt the blood rushing towards his brain. At this moment, his mind was like the CPU of a supercomputer, running faster and faster. 

All the knowledge he learned in the past few months, the 3rd-level, 4th-level, and 5th-level apprentice wizard's rune, 'fireball' pattern, 'frozen armor' pattern, the noble tongue of the elves and so on, they had been reanalyzed by his brain — the two spell patterns, especially. After learning how to draw their rune patterns, he just kept using the Horadric Cube to cast them.