Rudra only had 24 hours to try and master the Nirvana flame as instructed by the beast king , however it was not an easy endeavour to comprehend the secrets of the Nirvana flame even with a 71% fire comprehension.
For skills below tier 4 , which is skills at tier 1-3 a skill scroll is like a memory imprint , when you open the scroll to read , the special technique with which it is made helps to imprint the technique into your mind and you learn it instantly.
It is like learning how to drive a car for the first time , usually it would take one understanding of how to use the clutch , how to shift the gears , when to shift gears etc.
However Omega made it so that for tier 1-3 it was akin to driving an automatic car which was like a toy car. All you needed to do was accelerate break and steer as there was no learning curve involved.
