Clark smiled when he noticed that Kara was suddenly standing next to him. Good.. that was good. With two Kryptonians here, instead of one, they could hopefully do enough damage to stop the opposing side from stopping Angel.
"I'm fine," he said in reply. "Not at my peak.. but well enough to push a tank, at least. I can still be useful here. When the sun comes back.. and it will.. I'll be in top shape again." He was determined to see this through.
He noticed her glance at the sword. He just shrugged. "I've used one before, in China. Fighting with Isobel.. Lana's witch ancestor that controlled her body. She was after the three stones that'd make the Fortress when put together. She wanted them for herself, to increase her power." And it was obvious that she failed, since Clark had been to the created Fortress on several occasions.