Animas and his associates went to challenge the labyrinth, and investigated about the teleportation traps while they were there.
Chiefly, there are three kinds of teleportation traps.
One. One-way teleporting. It is always to the same location, returning must be done manually.
Two. Two-way teleporting. There is usually a magic formation which can return you back the same way somewhere in the location one was teleported to.
Three. Random teleporting. There is no way of knowing where you will end up, and no guarantee of being able to go back.
In the metastasis labyrinth, it's just a matter of aiming for the interior of the cavern while repeatedly dealing with the teleporting traps that move you further inside.
However, the random teleporting traps are interspersed.
If one accidentally steps on it by mistake, the party can be separated, and one person can be stuck fighting solo against a huge swarm of demons.