Arc

For the Vaal-themed counterpart, see Vaal Arc.

Arc is a lightning spell that creates a chaining pulse.

Skill Functions and Interactions

• Since it is not a projectile, Arc cannot or , and it cannot be supported with or Multiple Projectiles. Supporting Arc with will result in additional chains.
• Arc will chain to a random target within a specified radius centered on last target struck. Arc cannot chain back to the same target immediately, and must bounce one more time before chaining to the previous target.
• Arc, when not cast at any enemy, will target the nearest one within the skill's range.

Gem level progression

Level			Mana Cost	Lightning Damage	# Chains	Exp.	Total Exp.
1	12	33	8	N/A	N/A	0	0
2	15	39	9	N/A	N/A	15249	15249
3	19	48	10	N/A	N/A	41517	56766
4	23	56	11	N/A	N/A	81983	138749
5	27	64	12	N/A	N/A	147968	286717
6	31	73	13	N/A	N/A	250557	537274
7	35	81	14	N/A	N/A	405086	942360
8	38	88	15	N/A	N/A	447718	1390078
9	41	94	16	N/A	N/A	615318	2005396
10	44	100	16	N/A	N/A	834639	2840035
11	47	106	17	N/A	N/A	1570760	4410795
12	50	113	18	N/A	N/A	1633987	6044782
13	53	119	19	N/A	N/A	2151030	8195812
14	56	125	19	N/A	N/A	2812189	11008001
15	59	132	20	N/A	N/A	5099360	16107361
16	62	138	21	N/A	N/A	9400731	25508092
17	64	142	21	N/A	N/A	15273366	40781458
18	66	146	22	N/A	N/A	26286582	67068040
19	68	151	22	N/A	N/A	62890590	129958630
20	70	155	23	N/A	N/A	212046017	342004647
21	72	159	24	N/A	N/A	N/A	N/A
22	74	N/A	24	N/A	N/A	N/A	N/A
23	76	N/A	25	N/A	N/A	N/A	N/A
24	78	N/A	25	N/A	N/A	N/A	N/A
25	80	N/A	26	N/A	N/A	N/A	N/A
26	82	N/A	26	N/A	N/A	N/A	N/A
27	84	N/A	27	N/A	N/A	N/A	N/A
28	86	N/A	27	N/A	N/A	N/A	N/A
29	88	N/A	28	N/A	N/A	N/A	N/A
30	90	N/A	28	N/A	N/A	N/A	N/A
31	91	N/A	28	N/A	N/A	N/A	N/A
32	92	N/A	29	N/A	N/A	N/A	N/A
33	93	N/A	29	N/A	N/A	N/A	N/A
34	94	N/A	29	N/A	N/A	N/A	N/A
35	95	N/A	29	N/A	N/A	N/A	N/A
36	96	N/A	30	N/A	N/A	N/A	N/A
37	97	N/A	30	N/A	N/A	N/A	N/A
38	98	N/A	30	N/A	N/A	N/A	N/A
39	99	N/A	30	N/A	N/A	N/A	N/A
40	100	N/A	31	N/A	N/A	N/A	N/A

Version history

Version	Changes
2.1.0	Damage increased by around 20% higher at level 20. In addition to having more damage, Arc now increases in number of chains more often as it levels up. At level 20, it chains seven times. Previously this was five.
2.0.0	Damage reduced slightly at all levels. At player level 68, it should deal approximately 8% less damage.
1.2.0	We have reduced the damage by 15% at all levels. Got +1% to critical hit chance bringing it to 5%
1.1.2	and Vaal Arc have had their damage increased by 60%. Arc and Vaal Arc can now no longer chain back to the same target immediately, but must now bounce one more time. Arc now increases in chain counts as the gem increases in level.
1.0.0	Reduced the mana cost. Damage has been increased by around 23%.
0.11.1	Spells with Damage Effectiveness no longer have their own damage affected by Damage Effectiveness. Damage values on these skills have been updated to reflect this.
0.9.13	Arc has been added to the game.