Scion's charge step, had been meant to bring his enemies focus forward, but he had underestimated the reach of Skallagrim's sword and had to make a snap decision as it came thrusting towards him. He still had his right leg forward from the his quick step, and decides the best counter is finish the swing, that had been intended for Skallagrim's head, and use it to intercept the blade instead. He also tries to evade the blade, but twisting his body further than intended, as he arches the tonfa's swing across his chest to smash into the side of the blade. He finds that he manages enough forces to just barely throw off its trajectory and miss stabbing straight through him. Scion could feel the sword whoosh past his chin and nick the end of shoulder. The blade continued 

As Scion is desperately trying to evade Skallagrim's blade. Dennis enacts his own plan to try to counter Skallagrim's powerful thrust. He had intended to follow Scion's plan to spawn a portal for him, that led to Skallagrim's back, but since that plan was currently falling through. He decides to change the spawn points of the portals. The first dot, instead of in front of Scion, would appear behind Scion's left shoulder, centered with the new trajectory of Skallagrim's thrusting blade. The second dot would also change position and appear behind Skallagrim's back left leg. As the blade is sent sailing past Scion, a smaller portal of only a foot diameter would open to allow the end of Skallagrim's sword to pass through and stab right into the back of his own leg.

Scion, oblivious to Dennis' change in plans and to busy to see the portal behind him, was focusing his attention on Skallagrim's bony hand that was gripping the end of the sword. He knews that it would give him a serious advantage if he could get Skallagrim to release his sword, so in a snap decision, he decides to drop his tonfa and attempt to grab Skallagrim's forearm and wrench it forward, while simultaneously slashing at his bony wrist with Exmouseiber. He would hope that this would force Skallagrim to drop his weapon, but would release his arm regardless and try to hop back and to his right to his right, or to Skallagrim's left. It would only be at this point that he would notice the two portals that Dennis had spawned. 

Dennis would wait to see if Skallagrim would release his blade or withdraw it before severing the portals connection. He was tempted to simply close the portal on the blade and sever it, but he did not want to risk the potential magical backlash that could be caused by damaging a sword of such powerful enchantment. It was better to be safe rather than allow their fight to be ended prematurely, because Skallagrim's blade decided it wanted to explode.