Necromancer · Poison and Bone Skills

Bone Armor

Required level 1Classic

What it does

creates an orbiting shield of bone that absorbs melee damage.

How Bone Armor works, in depthThe Necromancer's physical damage sponge: 20 points absorbed at level 1, +15 a level, 305 at level 20, plus 15 per hard point in Bone Wall and Bone Prison. Where it sits in the defender's order, what it never absorbs, and when it breaks.

Items that give Bone Armor

4 items

+ levels to the skillyour own class only

BoneshadeUnique · Lich Wand	+4-5 to Bone Armor (Necromancer Only)	79
WhiteRuneword	+3 to Bone Armor (Necromancer Only)	35

Chance to castfires on its own when you hit, are hit, kill …

Defender's BileUnique · Colossal Jewel	1% Chance to cast level 25 Bone Armor when struck	75
BoneRuneword	15% Chance to cast level 10 Bone Armor when struck	47

Per level

before synergies, masteries and +skills from items

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40

Also raised by

items that add levels without naming it

Synergies

per hard point in

Bone Wall: +15 Damage Absorbed per Level
Bone Prison: +15 Damage Absorbed per Level

Leads to

Bone WallLevel 12

Boosts

Source: skills.txt row “Bone Armor” and skilldesc.txt of build 3.3.93847. Mana = (mana + lvlmana × (level − 1)) × 2^manashift ÷ 256; damage brackets at levels 2–8, 9–16, 17–22, 23–28, 29+ scaled by HitShift. · Report incorrect data

Unless stated otherwise, everything here is Diablo II: Resurrected build 3.3.93847, Reign of the Warlock.

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40

Level	Mana cost
1	11
2	12
3	13
4	14
5	15
6	16
7	17
8	18
9	19
10	20
11	21
12	22
13	23
14	24
15	25
16	26
17	27
18	28
19	29
20	30
21	31
22	32
23	33
24	34
25	35
26	36
27	37
28	38
29	39
30	40