Hey @Count_Marzo do you have this one?
In 2056, Bart Allen and Nathaniel Tryon worked on a way to change the domination of the Reach. They believed the cause of the apocalyptic event that made their time inhospitable started with the death of Flash, so Allen would travel back in time to stop it. Tryon, who had been responsible for many atrocities, gave Allen a time machine and warned him that it would break after using it. Going back forty years, Allen arrived in Mount Justice HQ, where he joyously greeted the team but was cuffed and interrogated. Impulse received a glass of water from Nightwing, who wanted to acquire DNA and the boy revealed their secret identities to each other in an attempt to convince them he was a tourist from the future and the grandchild of Flash. Impulse arrived at the Allen house when Barry received a call about his supposed grandson. Barry initially denied the possibility, reminding everyone that he and Iris didn’t even have children until Iris revealed she was pregnant. Fully aware Flash was supposed to die, he tried to prevent Iris from receiving a call from her boss about a rampaging villain. When that failed, he tried to dissuade Flash from going, saying the League could handle it. Flash went nonetheless and Impulse followed and saved him from Neutron’s energy waves. After Nightwing’s DNA test revealed Allen’s claims of his heritage to be true, Allen said he was ready to go back but because the time machine was broken, he couldn’t return. To maintain his cover, he feigned frustration at being stuck in the past and claimed that he knew nothing about fixing time machines. Allen explained to Jaime why he really came back: to prevent Blue Beetle would become the leader of the Reach on Earth and rule with an iron fist.
Impulse, by Phil Bourassa.
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