How to get 5 slots on your map device!

*Patched out! in ! now complete T17 map to unlock* How to unlock the 5 slot map device

Kill the green marked Bosses and get the fifth Map Slot

poe unlock 5th map slot They changed how to unlock 5 map slots in poe I learned this from a comment earlier

poe 5 slot map device Elder, Shaper, and Elderslayer maps drop fragments that can be sold or used in the map device to start a boss fight The boss fights reward even more expensive