U.R. Mine

The was a trap in Dungeon Keeper.
It required a level 7 Workshop, and was upgradeable. Once done, every replenishment would cost the same. This could make the trap a little expensive at times.
==Notes==
*Single-use trap with no build time.
*Hidden until triggered.
*Highly destructive close-range explosion targeted at flying minions.
==Stats==
Targets 	Air
Damage Type 	Fire
Number of Targets	5
Attack Speed 	Single-Use
Attack Range 	2 Tiles
==Traps Available==
Workshop	Traps Added	Max Traps
Level 7 	2 	2
Level 10	2 	4
Level 11	1 	5
Level 14	1 	6
Level 25	2 	8
Level 29	1 	9
Total amount of traps is 9 as of patch 8.2
==Upgrades==
Level	Damage	Health	Cost (Gold) 	Rearm Cost (Gold)	Workshop Required
1 	700 	200 	50 Dreadstones 	10k 	Level 7
2 	1,000 	200 	50k 	25k 	Level 7
3 	1,400 	200 	200k 	50k 	Level 9
4 	1,900 	200 	4M 	75k 	Level 13
5 	2,500 	200 	10M 	100k 	Level 18
6 	3,000 	200 	20M 	125k 	Level 22
7 	3,300 	200 	300 Dreadstones	? 	Level 35
Special:
+1 Range