Challenge Assistance

Complete Rare Maps in 10 of the following 16 tiers while they are unidentified. These Maps are completed by killing their Unique Bosses.

Tier 1
Tier 2
Tier 3
Tier 4
Tier 5
Tier 6
Tier 7
Tier 8
Tier 9
Tier 10
Tier 11
Tier 12
Tier 13
Tier 14
Tier 15
Tier 16