Currently, Draco was only a little bit off from the Expert Rank of Magical Engineering. It had taken him about 60 days, but he was now just 31% off from entering the Expert Rank in Magical Engineering.
Even for Common Tradeskills, this was unbelievable. To climb one whole Rank in just 2 months for an Epic Tradeskill was unheard of, even for the residents of this Treasury.
The reason Draco could do so was compounded. Being a Control master, the availability of top-tier resources in the treasury, his high State of Being, the Ultima Sunt's Pinnacle Intelligence passive skill, and obviously his reliance on the Enlightenment potions.
Even though the potion's effects only lasted one hour with each consumption, Draco had set many of them up for auto-crafting in the past few days. Of course, he didn't and couldn't afford to drink them like water.