“Wally learns the hard way that good intentions don't off set the consequence of time travel... Wally's actions have already set off a chain of events that can't be stopped.” Fanfiction.net
"The world ends in fire," he whispered to his younger self. "Unless you build the Machine." Perspectives on Causal Nexus Causal Nexus
He emerged decades in the past, in the same Library, before the rot had set in. There, he saw a young version of himself reading by a window. Elias looked down at his hands—they were aged, his hair now a shock of silver. He walked toward the boy, the charred notebook heavy in his hand. “Wally learns the hard way that good intentions
Elias stood in the ruins of the Great Library, clutching a charred leather notebook. He was a "Time-Sensitive," capable of feeling the hum of a —a point where time tracks diverged and collided. There, he saw a young version of himself reading by a window