After a really tough time, I,Epic SuPerp_,uses only 7min44s to beat barren,a brutal level,with my dummy.
That is so f***ing unbelievable.
The video will be sent on bilibili[just like the youtube in china] this weekend.

Recently I beat Yun Gu 2,barren,offpanic,all by myself,2tees.
Which means The mobiles can also beat Brutal.