Health Regen

Health Regen regenerates some amount of of tower health per second.

By default it's pretty weak stat since it's value even with workshop upgrades, Lab research, Card and Perks combined do not contribute enough in comparison with the enemy damage at that stage.

It becomes useful when Wormhole Redirector Module allows Tower to regen the Recovery Package Health anywhere from 25% to 100% depending on the module rarity. That allows you to Regen into the Effective Health Pool, making it a more viable strategy.

Workshop

Unlocked in the Workshop for free with Health. There are 6000 upgrade levels in the workshop.

Level	Value	Cost	ExpandTotal Cost
1	0	30	0
100	269	77.22K	2.40M
200	1.41K	610.35K	31.28M
300	3.87K	1.50M	133.83M
400	9.02K	2.86M	348.62M
500	17.68K	4.70M	723.02M
600	40.56K	7.05M	1.31B
700	120.37K	9.94M	2.15B
800	300.09K	13.39M	3.32B
900	619.26K	17.41M	4.86B
1000	1.12M	22.03M	6.82B
1100	1.82M	27.24M	9.29B
1200	2.78M	33.08M	12.30B
1300	4.02M	39.54M	15.93B
1400	5.58M	46.64M	20.24B
1500	7.48M	54.40M	25.29B
1600	9.76M	62.82M	31.15B
1700	12.46M	71.92M	37.88B
1800	15.59M	81.70M	45.56B
1900	19.21M	92.17M	54.25B
2000	23.32M	103.33M	64.03B
2100	27.98M	115.21M	74.96B
2200	33.19M	127.81M	87.11B
2300	39.01M	141.13M	100.56B
2400	45.44M	155.18M	115.37B
2500	52.53M	169.97M	131.63B
2600	60.30M	185.50M	149.40B
2700	68.78M	201.79M	168.77B
2800	78.00M	218.84M	189.81B
2900	87.98M	236.66M	212.58B
3000	98.77M	255.24M	237.18B
3100	110.37M	274.61M	263.68B
3200	122.82M	294.75M	292.15B
3300	136.16M	315.69M	322.67B
3400	150.40M	337.42M	355.33B
3500	165.57M	359.96M	390.21B
3600	181.70M	383.30M	427.37B
3700	198.82M	407.45M	466.92B
3800	216.95M	432.42M	508.92B
3900	236.12M	458.20M	553.45B
4000	256.36M	484.82M	600.61B
4100	277.70M	512.27M	650.47B
4200	300.15M	540.55M	703.12B
4300	323.75M	569.67M	758.64B
4400	348.53M	599.64M	817.11B
4500	374.50M	630.46M	878.63B
4600	401.69M	662.13M	943.26B
4700	430.14M	694.66M	1.01T
4800	459.86M	728.06M	1.08T
4900	490.88M	762.32M	1.16T
5000	523.23M	797.45M	1.23T
5100	707.80M	1.25B	1.36T
5200	956.20M	1.96B	1.55T
5300	1.29B	3.06B	1.85T
5400	1.74B	4.79B	2.32T
5500	2.34B	9.99B	3.30T
5600	3.15B	20.79B	5.34T
5700	4.22B	43.26B	9.58T
5800	5.67B	89.94B	18.40T
5900	7.60B	186.86B	36.74T
6000	10.17B	388.00B	74.83T

Workshop Enhancement

Health Regen

Requires 50 billion coins to be spent on defense enhancements to unlock. Increases the health regen multiplier by x1 when unlocked and increases by 0.01x per level. Has a maximum level of 300 for a 4x bonus.

Level	Value	Coins	ExpandTotal Coins
1	1.01x	5.00B	5.00B
10	1.10x	6.53B	55.54B
20	1.20x	48.30B	217.10B
30	1.30x	313.07B	1.95T
40	1.40x	2.54T	14.48T
50	1.50x	9.59T	73.23T
60	1.60x	60.08T	385.56T
70	1.70x	216.08T	1.72q
80	1.80x	580.27T	5.66q
90	1.90x	1.31q	15.10q
100	2.00x	2.63q	34.88q
110	2.10x	4.85q	72.52q
120	2.20x	8.36q	139.10q
130	2.30x	13.67q	250.21q
140	2.40x	21.40q	427.16q
150	2.50x	32.31q	698.20q
160	2.60x	47.31q	1.10Q
170	2.70x	67.46q	1.68Q
180	2.80x	94.01q	2.49Q
190	2.90x	128.41q	3.62Q
200	3.00x	172.31q	5.13Q
210	3.10x	637.22q	9.06Q
220	3.20x	1.42Q	19.48Q
230	3.30x	2.59Q	39.76Q
240	3.40x	4.26Q	74.38Q
250	3.50x	6.57Q	129.09Q
260	3.60x	9.70Q	211.26Q
270	3.70x	13.84Q	330.08Q
280	3.80x	19.23Q	496.97Q
290	3.90x	26.14Q	725.86Q
300	4.00x	34.88Q	1.03s

Cards

Health Regen increases the health regen workshop when equipped. The card multiplies with the lab.

Lab

Health Regen

Health Regen Lab Defense Research Unlocks with basic Lab unlock. The lab increases the increments of each workshop level and raises the maximum workshop value. There are 100 levels.

Level	Time	Cost	ExpandValue
1	0d  0h  0m	30	1.03
2	0d  0h  6m	71	1.06
3	0d  0h 16m	178	1.09
4	0d  0h 31m	398	1.12
5	0d  0h 52m	772	1.15
6	0d  1h 20m	1,340	1.18
7	0d  1h 56m	2,120	1.21
8	0d  2h 39m	3,170	1.24
9	0d  3h 31m	4,510	1.27
10	0d  4h 32m	6,170	1.30
11	0d  5h 43m	8,170	1.33
12	0d  7h  3m	10,560	1.36
13	0d  8h 34m	13,350	1.39
14	0d 10h 15m	16,580	1.42
15	0d 12h  7m	20,270	1.45
16	0d 14h 10m	24,440	1.48
17	0d 16h 25m	29,130	1.51
18	0d 18h 52m	34,360	1.54
19	0d 21h 31m	40,160	1.57
20	1d  0h 22m	46,540	1.60
21	1d  3h 26m	53,530	1.63
22	1d  6h 44m	61,160	1.66
23	1d 10h 14m	69,460	1.69
24	1d 13h 58m	78,430	1.72
25	1d 17h 56m	88,120	1.75
26	1d 22h  7m	98,530	1.78
27	2d  2h 33m	109,700	1.81
28	2d  7h 13m	121,650	1.84
29	2d 12h  8m	134,390	1.87
30	2d 17h 18m	147,950	1.90
31	2d 22h 43m	162,350	1.93
32	3d  4h 23m	177,620	1.96
33	3d 10h 18m	193,780	1.99
34	3d 16h 30m	210,830	2.02
35	3d 22h 57m	228,820	2.05
36	4d  5h 40m	247,760	2.08
37	4d 12h 40m	267,660	2.11
38	4d 19h 55m	288,560	2.14
39	5d  3h 28m	310,470	2.17
40	5d 11h 17m	333,400	2.20
41	5d 19h 24m	357,390	2.23
42	6d  3h 47m	382,450	2.26
43	6d 12h 28m	408,600	2.29
44	6d 21h 26m	435,870	2.32
45	7d  6h 42m	464,260	2.35
46	7d 16h 15m	493,810	2.38
47	8d  2h  7m	524,530	2.41
48	8d 12h 17m	556,430	2.44
49	8d 22h 45m	589,550	2.47
50	9d  9h 31m	623,890	2.50
51	9d 20h 37m	659,490	2.53
52	10d  8h  0m	696,340	2.56
53	10d 19h 43m	734,490	2.59
54	11d  7h 45m	773,940	2.62
55	11d 20h  6m	814,710	2.65
56	12d  8h 46m	856,830	2.68
57	12d 21h 46m	900,300	2.71
58	13d 11h  5m	945,160	2.74
59	14d  0h 44m	991,410	2.77
60	14d 14h 43m	1,040,000	2.80
61	15d  5h  3m	1,090,000	2.83
62	15d 19h 42m	1,140,000	2.86
63	16d 10h 41m	1,190,000	2.89
64	17d  2h  1m	1,240,000	2.92
65	17d 17h 42m	1,300,000	2.95
66	18d  9h 43m	1,360,000	2.98
67	19d  2h  5m	1,410,000	3.01
68	19d 18h 48m	1,470,000	3.04
69	20d 11h 52m	1,530,000	3.07
70	21d  5h 17m	1,600,000	3.10
71	21d 23h  4m	1,660,000	3.13
72	22d 17h 12m	1,730,000	3.16
73	23d 11h 41m	1,800,000	3.19
74	24d  6h 32m	1,870,000	3.22
75	25d  1h 46m	1,940,000	3.25
76	25d 21h 20m	2,010,000	3.28
77	26d 17h 18m	2,080,000	3.31
78	27d 13h 37m	2,160,000	3.34
79	28d 10h 18m	2,240,000	3.37
80	29d  7h 22m	2,320,000	3.40
81	30d  4h 48m	2,400,000	3.43
82	31d  2h 37m	2,480,000	3.46
83	32d  0h 49m	2,570,000	3.49
84	32d 23h 24m	2,650,000	3.52
85	33d 22h 21m	2,740,000	3.55
86	34d 21h 42m	2,830,000	3.58
87	35d 21h 26m	2,930,000	3.61
88	36d 21h 33m	3,020,000	3.64
89	37d 22h  3m	3,120,000	3.67
90	38d 22h 57m	3,220,000	3.70
91	40d  0h 15m	3,320,000	3.73
92	41d  1h 56m	3,420,000	3.76
93	42d  4h  1m	3,520,000	3.79
94	43d  6h 30m	3,630,000	3.82
95	44d  9h 23m	3,740,000	3.85
96	45d 12h 40m	3,850,000	3.88
97	46d 16h 22m	3,960,000	3.91
98	47d 20h 27m	4,070,000	3.94
99	49d  0h 57m	4,190,000	3.97
100	50d  5h 52m	4,310,000	4.00