Ren left Valdel with Kara and was walking towards the tree of life. It was obvious that Valdel wanted to talk to Kar. After learning about what Valdel wanted to do, Ren had a pretty nice guess as to why he wants to talk to a long-lived race like the elves.
'Well, if he can't find the answer on his own, I guess I can help him get it. Silika should know the general direction of the underworld, as she was a former Goddess of Death. Well, even if she doesn't know, the other deities should know.' Ren no longer bothered thinking about that as he was heading towards the tree of life.
...
Tsukiko and Leila continued to chat under the tree of life unaware of how many days have passed. They continued enjoying each other's company when Tuskiko suddenly felt someone coming closer.
"So you've finally arrived, Ren. At least you arrived earlier than expected. I thought it would take you at least a decade before you decide to visit."