Chrono Field

Chain Lightning Ultimate Weapon

Chrono Field is an Ultimate Weapon.Creates a field after a period of time that lasts a period of time that reduces the speed of any enemy inside by a percent.

Workshop

Basic Upgrades

Chrono Field Basic Workshop Upgrades are located in the Ultimate Weapon menu after unlocking the Ultimate Weapon. Unlocking grants the abilities to upgrade Duration, Slow and Cooldown using stones.

Chrono Field is unique in that it is the only Ultimate Weapon with a cooldown that can be active constantly. In fact, duration can last 10 seconds longer than cooldown at its lowest. Chrono Field effect cannot stack on itself. Any remaining time from the previous activation is wasted.

Cost

Duration has 35 levels, Slow has 11 levels and Cooldown has 12 levels. The total stone cost is 9,946.

Duration	Stone (Duration)	Slow	Stones (Slow)	Cooldown	Stone (Cooldown)
5s	0	20%	0	180s	0
6s	5	25%	15	170s	10
7s	14	30%	25	160s	31
8s	23	35%	40	150s	52
9s	32	40%	60	140s	73
10s	41	45%	120	130s	94
11s	50	50%	150	120s	115
12s	59	55%	200	110s	136
13s	68	60%	300	100s	157
14s	77	65%	450	90s	178
15s	86	70%	650	80s	199
16s	95	75%	900	70s	220
17s	104			60s	241
18s	113
19s	122
20s	131
21s	140
22s	149
23s	158
24s	167
25s	176
26s	185
27s	194
28s	203
29s	212
30s	221
31s	230
32s	239
33s	248
34s	257
35s	266
36s	275
37s	284
38s	293
39s	302
40s	311
Totals	5,530		2,910		1,506

Ultimate Weapon Plus - Chrono Loop

Ultimate Weapon Plus abilities can only be unlocked when all 9 Ultimate Weapons are purchased. Enemies affected by Chrono Field will spiral around the tower based on the rotation rate.

UW+ Cost Table
Level	0	1	2	3	4	5	6	7	8	9	10
Cost	Unlocked	400	500	610	730	860	1000	1150	1200	1500	1700
Value	0.10	0.15	0.20	0.25	0.30	0.35	0.40	0.45	0.50	0.55	0.60

Lab

There are variety of Labs research that provides Chrono Field additional bonuses and adds additional features to it's attacks and effects.

Chrono Field Duration

Lab Ultimate Weapon Research Unlocks at Tier 7 Wave 90 Milestone. Increases the duration of chrono field. Has 30 levels.

Level	Time	Cost	Value
1	0d 19h 59m	250,000	1.00
2	0d 23h 21m	285,000	2.00
3	1d  2h 53m	496,980	3.00
4	1d  6h 54m	1,450,000	4.00
5	1d 11h 49m	4,230,000	5.00
6	1d 18h  6m	10,500,000	6.00
7	2d  2h 17m	22,580,000	7.00
8	2d 12h 58m	43,470,000	8.00
9	3d  2h 49m	76,880,000	9.00
10	3d 20h 31m	127,310,000	10.00
11	4d 18h 49m	200,030,000	11.00
12	5d 22h 30m	301,120,000	12.00
13	7d  8h 23m	437,550,000	13.00
14	9d  1h 21m	617,110,000	14.00
15	11d  2h 18m	848,510,000	15.00
16	13d 12h  9m	1,140,000,000	16.00
17	16d  7h 54m	1,510,000,000	17.00
18	19d 14h 32m	1,950,000,000	18.00
19	23d  9h  6m	2,500,000,000	19.00
20	27d 16h 40m	3,150,000,000	20.00
21	32d 14h 19m	3,930,000,000	21.00
22	38d  3h 12m	4,850,000,000	22.00
23	44d  8h 27m	5,920,000,000	23.00
24	51d  7h 16m	7,170,000,000	24.00
25	59d  0h 50m	8,610,000,000	25.00
26	67d 14h 25m	10,260,000,000	26.00
27	77d  1h 17m	12,150,000,000	27.00
28	87d 10h 41m	14,290,000,000	28.00
29	98d 19h 58m	16,700,000,000	29.00
30	111d 6h 28m	19,420,000,000	30.00

Chrono Field Damage Reduction

Lab Ultimate Weapon Research Unlocks at Tier 7 Wave 90 Milestone. Reduces damage taken by the tower when chrono field is active. Reduction starts at 10%. Has 1 level. Unlocks Chrono Field Reduction % after completion. The reduction is taken on the enemy damage after defense absolute is calculated.

Level	Time	Cost	Value
1	0d 16h 39m	750,000	Unlocked

Chrono Field Reduction %

Lab Ultimate Weapon Research Unlocks at Tier 7 Wave 90 Milestone. Increases the reduction of damage taken while chrono field is active. Has 30 levels.

Level	Time	Cost	Value
1	0d 19h 59m	250,000	10.50%
2	0d 23h 21m	285,000	11.00%
3	1d  2h 53m	496,980	11.50%
4	1d  6h 54m	1,450,000	12.00%
5	1d 11h 49m	4,230,000	12.50%
6	1d 18h  6m	10,500,000	13.00%
7	2d  2h 17m	22,580,000	13.50%
8	2d 12h 58m	43,470,000	14.00%
9	3d  2h 49m	76,880,000	14.50%
10	3d 20h 31m	127,310,000	15.00%
11	4d 18h 49m	200,030,000	15.50%
12	5d 22h 30m	301,120,000	16.00%
13	7d  8h 23m	437,550,000	16.50%
14	9d  1h 21m	617,110,000	17.00%
15	11d  2h 18m	848,510,000	17.50%
16	13d 12h  9m	1,140,000,000	18.00%
17	16d  7h 54m	1,510,000,000	18.50%
18	19d 14h 32m	1,950,000,000	19.00%
19	23d  9h  6m	2,500,000,000	19.50%
20	27d 16h 40m	3,150,000,000	20.00%
21	32d 14h 19m	3,930,000,000	20.50%
22	38d  3h 12m	4,850,000,000	21.00%
23	44d  8h 27m	5,920,000,000	21.50%
24	51d  7h 16m	7,170,000,000	22.00%
25	59d  0h 50m	8,610,000,000	22.50%
26	67d 14h 25m	10,260,000,000	23.00%
27	77d  1h 17m	12,150,000,000	23.50%
28	87d 10h 41m	14,290,000,000	24.00%
29	98d 19h 58m	16,700,000,000	24.50%
30	111d  6h 28m	19,420,000,000	25.00%

Chrono Field Range

Lab Ultimate Weapon Research Unlocks at Tier 7 Wave 90 Milestone. Extends the range of Chrono Field beyond the tower range. Has 20 levels.

Level	Time	Cost	Value
1	0d 20h  0m	250,000	3.00
2	1d  4h 21m	560,000	6.00
3	1d 12h 53m	1,100,000	9.00
4	1d 21h 54m	2,800,000	12.00
5	2d  7h 49m	7,750,000	15.00
6	2d 19h  6m	19,540,000	18.00
7	3d  8h 17m	43,580,000	21.00
8	3d 23h 58m	87,410,000	24.00
9	4d 18h 49m	160,910,000	27.00
10	5d 17h 31m	276,620,000	30.00
11	6d 20h 49m	449,930,000	33.00
12	8d  5h 30m	699,340,000	36.00
13	9d 20h 23m	1,050,000,000	39.00
14	11d 18h 21m	1,520,000,000	42.00
15	14d  0h 18m	2,140,000,000	45.00
16	16d 15h  9m	2,950,000,000	48.00
17	19d 15h 54m	3,980,000,000	51.00
18	23d  3h 32m	5,270,000,000	54.00
19	27d  3h  6m	6,880,000,000	57.00
20	31d 15h 40m	8,840,000,000	60.00

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