He wanted to be with Elysia forever, that was the trigger
"The only thing remaining is your signature and Mogar's. Your last tribulation requires no trigger, only for you to make a choice. And you can do that at any time and any place.
Maybe on a break that was why they were releasing triple chapters per day the last few weeks. Would be great if they made an announcement about this though…
Ch 2621 Crossing Through Time Is a Battle for Life and Death