Map made in Minecraft Education Edition v1.20.13
I modified a mountain from a basalt sphere to frame the entrance to a portal.
I built the skull using MakeCode, /particle commands, and tp in a command block.
The player has to step on the pressure plate to teleport to the portal.
I hope you like the map, if you do, visit my profile to show support: https://students.lifecole.com/profiles/Federico