In a twist of fate that he doesn 't come to appreciate until a few years later, Tobirama was the first to see Hashirama 's mark. Spending one 's birthday on a battlefield was nothing new and Hashirama hadn 't complained when he woke that morning covered in cold dew and colder leaves, marching through the dawn towards the trap they were looking to spring. Surprising the squad from the Shimura clan who had been hoping to surprise them gave their soldiers enough of an edge that the battle was surprisingly quick.