He shuddered, trying to not pass out in front of Neji, and took a few moments to gather himself before he answered, "Curse mark..."

Eventually he ended up falling against Hiruzen, who caught him and tried to help him stand. Sasuke squirmed in the grip, not really liking that he felt too weak to stand on his own or that his blood was on fire. That mark was really wreaking havoc on him, combined with the damage from that fight... A fight that he lost against a foe he couldn't touch. How had he done that...?