Infos between scenes - Unity

Hey everyone, i'm trying to make my own first game and need a little help. I have two principal scenes, one where the players can moves freely, in this scene i separated the scenario by rooms 15x15, each room has her own tilemap. When the player collides with an enemy, he should go to a different scene, where will be loaded an tiled arena, so the battle will be turn based at that scene.
What i need is get the tiles from the room where the player and enemy was, their positions and names/id to load on the …