Draven's senses were sealed, but given his powers, he was able to regain his sense of sight and hearing back, but he could not feel his limbs. That was the effect of the hostile divine power from the stabbed dagger rampaging inside his body, devouring his own magic. It was pure willpower that allowed him to leave the ice chamber.
The man managed to drag himself towards the barrier, despite him taking some time.
Since he could enter it, he thought he could freely get past it this time as well, but the moment he touched the barrier, his hand was pushed back.
Draven had guessed it, but confirming it still made him grit his teeth in frustration.
Thala had made sure he would not leave this cave at any cost.
Draven heard Aureus' guilt-ridden voice, "My apologies. It's because of my blood. I…I should not have listened to my uncle and should not have given my blood. I didn't think he was really going to harm you, King Draven."