Here we have some footage of Skullsplitter Special Combo Movement in Drakan: Order of the Flame practice session. Check this out!
Map: MP training – Relic (Ground)
Tap JUMP, then tap CROUCH, then press PRIMARY ATTACK while falling. To reduce the damage taken from a fall, or hit an enemy from above – tapping JUMP first is still required, even if Rynn is already in the air.