Field J3 (Gemcraft Chapter 2 - Steam)

Original · Steam
Field Type	Wizard Tower
Unlocked by	J2
Unlocks	G1, J5
Wizard Tower	Swarmling Domination, Hextile C, Hextile G
Available gem types
Rain/Snow %	0/0
Waves	Reavers: 30 Swarmlings: 30 Total: 60
HP	70 * 1.067/wave after first
Armor	35 + 3.88/wave after fourth
Buffs	+50%/wave after wave 5

Field J3 is obtained by completing Field J2 in Gemcraft Chapter 2 on Looming difficulty. The guaranteed gem types available for this field include Mana Leeching and Slowing. There are 60 waves on this field and one achievement exclusive to it.

Starting Out[]

Player Buildings	Other Buildings
Tower ×2	Monster Nest (indestructible) Tomb (HP: 2,000; Armor: 10; #: 50; Mon. HP: 100) Tomb (HP: 2,400; Armor: 30; #: 50; Mon. HP: 140) Tomb (HP: 1,800; Armor: 20; #: 50; Mon. HP: 120) Abandoned Dwelling (Grade: 2) ×2 Shot Lock (999 hits) ×6

Waves[]

The following table applies only to Looming difficulty with no battle traits.

Wave	Monsters	HP	HP Regen	Armor	Speed	Mana Gain	Banishment Cost	XP	Buffs
1	17 Reavers	70	61	35	0.87 / 1.57	24	48	4
2	9 Reavers	75	63	35	0.87 / 1.57	25	50	4
3	14 Reavers	80	64	35	0.87 / 1.57	27	53	4 / 5
4	43 Swarmlings	16	66	20	1 / 1.8	7	14	3
5	16 Reavers	91	68	38	0.87 / 1.57	29	59	5
6	53 Swarmlings	18	70	24	1 / 1.8	8	16	3
7	19 Reavers	103	72	44	0.87 / 1.57	33	66	5
8	48 Swarmlings	21	74	28	1 / 1.8	9	17	4
9	62 Marked Swarmlings	26	76	31	1 / 1.8	9	18	4	+4 extra hit points
Spark: Lockdown
10	36 Swarmlings	23	78	32	1 / 1.8	9	19	4
11	40 Swarmlings	25	80	33	1 / 1.8	10	20	4
Spark: Shrine Scroll
12	31 Swarmlings	27	83	42	1 / 1.8	10	20	4
13	16 Reavers	152	85	66	0.87 / 1.57	42	84	5 / 6
Spark: Stone Supply
14	40 Marked Swarmlings	30	548	39	1 / 1.8	11	22	4	+460.4 hp/min extra regeneration
15	51 Swarmlings	33	90	40	1 / 1.8	11	22	4
16	47 Swarmlings	35	92	41	1 / 1.8	12	23	4
17	13 Marked Reavers	273	95	92	0.87 / 1.57	48	97	6	+75 extra hit points
18	45 Swarmlings	39	98	59	1 / 1.8	12	25	4
19	54 Swarmlings	42	101	56	1 / 1.8	13	26	4
20	15 Reavers	240	103	98	0.87 / 1.57	53	105	6
21	12 Reavers	256	106	119	0.87 / 1.57	55	109	6 / 7
22	29 Swarmlings	51	109	55	1 / 1.8	14	28	4
Spark: Touch of Wisdom
23	36 Swarmlings	55	113	61	1 / 1.8	14	29	4
24	15 Reavers	311	116	108	0.87 / 1.57	59	118	7
25	49 Swarmlings	62	119	64	1 / 1.8	15	30	4 / 5
26	14 Reavers	354	123	107	0.87 / 1.57	62	123	7
27	12 Reavers	378	126	148	0.87 / 1.57	64	127	7
Spark: Unearthed Shard
28	12 Reavers	403	130	147	0.87 / 1.57	65	130	7
29	8 Reavers	430	134	111	0.87 / 1.57	67	133	7
30	20 Reavers	459	138	166	0.87 / 1.57	68	136	7
31	28 Marked Swarmlings	142	142	83	1 / 1.8	17	35	5	+50 extra hit points
32	11 Reavers	523	146	108	0.87 / 1.57	71	143	7
33	17 Reavers	558	151	137	0.87 / 1.57	73	146	7
34	32 Swarmlings	111	155	73	1 / 1.8	19	37	5
35	7 Reavers	635	160	179	0.87 / 1.57	76	151	8
36	63 Swarmlings	127	164	73	1 / 1.8	19	39	5
Spark: Unearthed Shard
37	18 Reavers	723	169	185	0.87 / 1.57	79	158	8
38	52 Swarmlings	144	174	93	1 / 1.8	20	40	5
39	48 Swarmlings	154	180	92	1 / 1.8	20	41	5
40	14 Reavers	878	185	193	0.87 / 1.57	83	167	8
41	50 Swarmlings	175	190	108	1 / 1.8	21	42	5
42	10 Marked Reavers	1,000	196	211	1.58 / 2.84	87	174	8 / 9	×1.81 speed
43	63 Swarmlings	200	202	115	1 / 1.8	22	44	6
44	63 Swarmlings	213	208	89	1 / 1.8	22	45	5
45	57 Swarmlings	227	214	104	1 / 1.8	23	46	6
46	45 Marked Swarmlings	403	221	107	1 / 1.8	23	46	6	+161 extra hit points
47	36 Swarmlings	258	227	142	1 / 1.8	23	47	6
48	13 Reavers	1,475	234	174	0.87 / 1.57	96	192	9
49	11 Reavers	1,574	241	224	0.87 / 1.57	97	195	9
Spark: Touch of Wisdom
50	16 Marked Reavers	1,679	249	167	0.87 / 1.57	99	197	9	2 initial shield
51	20 Reavers	1,792	256	277	0.87 / 1.57	100	200	9 / 10
52	10 Reavers	1,912	264	189	0.87 / 1.57	102	203	9
53	19 Reavers	2,040	272	190	0.87 / 1.57	104	207	9
54	47 Swarmlings	407	280	132	1 / 1.8	26	53	6
55	12 Reavers	2,323	289	231	0.87 / 1.57	106	213	9 / 10
56	16 Reavers	2,478	297	187	0.87 / 1.57	108	216	9
57	49 Swarmlings	494	306	122	1 / 1.8	27	55	6
58	21 Reavers	2,821	316	289	0.87 / 1.57	111	223	10
59	33 Swarmlings	563	325	172	1 / 1.8	28	56	6 / 7
60	42 Swarmlings	601	335	130	1 / 1.8	29	57	6

Flying Ones[]

Random flying ones are disabled on this field until you have beaten it at least once. Flying ones always appear as listed below, regardless of difficulty level or battle traits. Note that waves and sparks are both counted when determining when a flying one will appear.

Specter at wave/spark 9
Specter at wave/spark 13
Apparition at wave/spark 16
Specter at wave/spark 19
Specter at wave/spark 20
Specter at wave/spark 24

Achievements[]

Achievements exclusive to Field J3 include:

Don't have any gem higher than grade 4.

Completion[]

The player receives the following drops upon completing this field: