This is a pretty chill achievement to get. Accept the mission assigned to you by the Rose queen lady called
to initiate progression.
After you screw over the town and unleash
3 Portals open, one at a time, that spawn
who do their best to impede your progress shutting down each respective portal by dealing damage into it until it collapses. The easiest character to use for this would probably be Rose, just because you can stick a time slow bubble on top of the portal and the
become easy spawn kills while aiming at the portal. This only really works from a decent distance though. If you get close enough the
and the slow effect will do little to prevent this.
After you shut it down you have to manually deactivate it as if you were reviving a team mate so take similar precautions.
Once 2/3 of the portals are closed the third one will spawn a
This guy does more damage as you'd assume but otherwise acts as a normal
enemy. Easy method to win is to ring him around a car or jump on a near roof to keep him from landing any hits and maximizing damage output. After that you win good job!
