The Third Crossing, Powerful Enemies of the Multiverse

Knock, knock! Xi Nian knocked on the door, then pushed it open and walked in. The spacious room actually contained a treadmill, barbells, a punching bag, and a full range of fitness equipment. A woman in a white, form-fitting yoga outfit had her forearms braced against the floor, holding a standard plank position. Her tall, mature body remained exceptionally steady as sweat slid down her beautiful yet valiant face and along the powerful lines of her muscles.