Portal

A portal is a structure that allows you to enter a secret stage after completing some requirements. While the player is exploring the map, orbs may spawn, either by completing activities or by chance. Once an orb is obtained, it appears floating around a teleporter. An orb will turn into a respective portal after the teleporter event is completed.

List of known portals

 * 1) Blue Portal
 * 2) Celestial Portal
 * 3) Gold Portal
 * 4) Artifact Portal
 * 5) Null Portal
 * 6) Void Portal