There's a forest back home that some people disappear into. Usually they end up getting killed by monsters. We use it to play Capture the Flag.

[ but this is said as a by-the-way because he's more interested about the changes in Ed. when he mentions the memory canisters, nico nods in understanding. he's not the first to receive one. ]

So that's what it is. You experienced your own death from that thing. How did you die? And how are you alive now?