Wirldwind

A Wirldwind is a inter-dimensional portal, the wirldwinds not absorbs anything (except materials to build a lightsaber) is a Red inter-dimensional portal. But the wirldwinds that absorb everything (including materials, but not Red inter-dimensional portals) is a Purple inter-dimensional portal.

Red inter-dimensional portal
This kind of wirldwind is the portal needs to be protected, if all Red inter-dimensional portals are destroyed, the teams will not meet or not back to his dimension. But will never happen in the saga.

Purple inter-dimensional portal
This kind of wirldwind needs to be destroyed, the heroes are searching a way to destroy this portals but the villains are protecting those. This kind of wirldwind can get you in trouble, so do not get so close to a Purple inter-dimensional portal.