In more specific terms, because of Mountain Karma, he can pull 6 units of mana every 100 seconds, not 2 units. So he can surely pull the 5 units that he needs for one cycle in less than 100 seconds.
His cultivation speed of 0.012 cycles per second is 1.818 times larger than that of the cultivation speed of 0.0066 cycles per second.
Even someone with an effective cultivation efficiency of 99% with a mind Power of 2 will only be able to pull 2 units of mana in 100 seconds and have a cultivation speed of 0.01 cycles per second.
0.012 cycles per second is greater than 0.01, so Mountain Karma has given him a cultivation speed that no one else can match.
Only someone with a refinement efficiency of 100% can beat him, but that is impossible to occur because a refinement efficiency of 99% is already impossible to achieve.
