Door

==Overview==
The humble door allows a way to block ground enemies until it is destroyed but will let your Minions through.
==Notes==
*Blocks an enemy Minion's path until destroyed
*Effective when paired with other defenses
==Doors Available==
Workshop	Doors Added	Max Doors
Level 2 	2 	2
Level 3 	2 	4
Level 4 	2 	6
Level 5 	2 	8
Level 6 	2 	10
Level 7 	2 	12
Level 8 	2 	14
Level 9 	2 	16
Level 10	2 	18
Level 12	2 	20
Level 18	2 	22
Level 20	2 	24
Level 23	2 	26
Level 28	2 	28
Level 33	? 	?
==Upgrades==
Level	Health	HP Gain	Build Time	Cost (Stone)	New Art
1 	300 	N/A 	5m 	150 	Wooden panel
2 	500 	200 	1h 	1,500 	Wooden door
3 	750 	250 	5h 	8,000 	Wooden door
4 	1,200 	450 	8h 	30k 	Stone door
5 	1,750 	550 	12h 	80k 	Stone door
6 	2,650 	900 	1d 	300k 	Stone door
7 	3,650 	1,000 	1d 12h 	600k 	Yellow + spikes
8 	5,050 	1,400 	2d 	1.2M 	Yellow + spikes
9 	6,050 	1,000 	3d 	3M 	Yellow + spikes
10 	7,100 	1,050 	4d 	6M 	Red
11 	9,150 	2,050 	8d 	13M 	Red
12 	12,200	3,050 	12d 	30M 	Red
Note - Max level is 12