54.7: Bomb spamming and
TIMING.
Spam bombs to keep the first "room"'s razor from working. Then, if the razors are together in the second "room", run through when they're beyond the portal and hope for a chance to jump through to the top.

If the razors aren't together, spam bombs in both rooms to keep the razor in room 1 from working and the razors in room 2 to rearrange themselves.

In the 3rd "room", jump up into the ceiling to get over the razor and the cherry, hopefully at the same time. Then, in the 4th room, stay near the portal and sheep-jump off and on to drop bombs down to the orange/cherry.

When they're dead, you can move into the 5th "room", stand on the uppermost platform, and spam the upkick to blast bombs up into the 3rd room to kill the cherry. Once it's dead, you can move on to the
HELL WITHIN HELL, 54.8.
HAAAAATE.
HAAAAAAAAATE. 