Yes, the crystal! I still have the scribbles of my map I drew back then. I loved the feeling to get “lost” in there.

This is real, it is happening? I am crying!! I loved this game so much on my GameCube! Waah! ಥ⁠‿⁠ಥ

It is hardly known, but I miss the action rpg “Lost Kingdom” by FromSoftware for the GameCube. You summoned creatures and monsters in battle with cards and it had a gloomy, eerie atmosphere, I remember some really scary level. I found this at a flea market when I was fifteen, so it was such a special find, great artwork and music. It had one sequel, but after that the game disappeared. :<