Junior?

The only method Dyon could think of was increasing his mental energy. But, he had never heard of a method to do so. In fact, even with the [Dao of Array Alchemy] by his side, the only pill he had ever come across capable of replenishing mental energy was one personally created by his Master. 

And obviously, that pill was only to replenish what mental energy already existed. Increasing it wasn't within its abilities. 

The only way to raise one's mental energy was with time and diligent cultivation. Only by cultivating for millions and billions of years would one's mental energy reach astronomical levels. 

This left Dyon at a loss. His talent had ironically handicapped him. His mental energy had rarely come into play on the mortal plane. It seemed like many things were different here. 

'… If it's possible to replenish it, it's also possible to grow it. I don't believe that there's not a single method that exists.'