This was designed to be a difficult map. I got my inspiration for this map from maps 23-25 of Scythe2, the last episode of Scythe, The last 4 maps of AV, map14 from CC1, map32 from CC2, and map25 from CC3. I know it's a long list, but all influenced at least some aspect of the map.
The authors of the maps listed above for their inspiration. =)