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Heart Knot
Level 1

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 2

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 3

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 4

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 5

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 6

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 7

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 8

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 9

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.
Level 10

Berzerker normal attack special attribute:
Has a chance to Stun the target for 2 seconds.