Monster Madness requires you to Complete Death From Above on Insane Difficulty.
Death From Above is a challenge for the map The Ramparts. The premise of the challenge is only Wyverns will spawn. Look to the skys!
Related Achievements[]
A Challenger Approaches - Completed all Challenges on >= Medium Difficulty! Are you ready for INSANE?
Monster Mania - Completed Death From Above on >= Medium Difficulty
Monster Madness - Completed Death From Above on >= Insane Difficulty