Burst of Speed

Assassin skill · Shadow Disciplines

Burst of Speed is a Assassin skill in the Shadow Disciplines tree in Diablo II: Resurrected. Increases attack and movement speed for a period of time. It needs character level 6 and the skill Claw Mastery.

By skill level

Level	+% Attack Speed	+% Run/Walk Speed	Duration seconds
1	21	23	120
2	27	29	132
3	31	34	144
4	34	39	156
5	37	42	168
6	41	45	180
7	42	47	192
8	44	49	204
9	44	51	216
10	45	52	228
11	46	54	240
12	47	55	252
13	49	56	264
14	50	57	276
15	51	57	288
16	51	59	300
17	51	59	312
18	52	60	324
19	52	60	336
20	52	61	348

Other Shadow Disciplines skills

Claw Mastery · Psychic Hammer · Weapon Block · Cloak of Shadows · Fade · Shadow Warrior · Mind Blast · Venom · Shadow Master

Game data: patch 3.3 (Reign of the Warlock), from the game's own files · updated 23 October 2026

Level	+% Attack Speed	+% Run/Walk Speed	Duration seconds
1	21	23	120
2	27	29	132
3	31	34	144
4	34	39	156
5	37	42	168
6	41	45	180
7	42	47	192
8	44	49	204
9	44	51	216
10	45	52	228
11	46	54	240
12	47	55	252
13	49	56	264
14	50	57	276
15	51	57	288
16	51	59	300
17	51	59	312
18	52	60	324
19	52	60	336
20	52	61	348

Level	+% Attack Speed	+% Run/Walk Speed	Duration seconds
1	21	23	120
2	27	29	132
3	31	34	144
4	34	39	156
5	37	42	168
6	41	45	180
7	42	47	192
8	44	49	204
9	44	51	216
10	45	52	228
11	46	54	240
12	47	55	252
13	49	56	264
14	50	57	276
15	51	57	288
16	51	59	300
17	51	59	312
18	52	60	324
19	52	60	336
20	52	61	348

Level	+% Attack Speed	+% Run/Walk Speed	Duration seconds
1	21	23	120
2	27	29	132
3	31	34	144
4	34	39	156
5	37	42	168
6	41	45	180
7	42	47	192
8	44	49	204
9	44	51	216
10	45	52	228
11	46	54	240
12	47	55	252
13	49	56	264
14	50	57	276
15	51	57	288
16	51	59	300
17	51	59	312
18	52	60	324
19	52	60	336
20	52	61	348