Use a fully delayed walljump to gain enough horizontal distance to place a bomb past the lip of the overhang. Unmorph to hover in the air above the bomb while it explodes. Ride the explosion into a down-grab to reach the ledge.

Requires:

"canInsaneWalljump"
"canWallJumpInstantMorph"
"canUnmorphBombBoost"
"canDownGrab"
{
  "heatFrames": 215
}