Scroll of Dissonance

Location: SpellCraft
Price: N/A (Use Entropic Ink and make this combination)
Sellback: 25 Gold
Type: Item
Description: Reduces the target's damage and haste by 15% and critical strike chance by 5%, and grants an additional mana to attackers striking the target for 15 seconds.
Notes:

• Stacks up to 99.
• Applies Dissonance to the target, reducing its Haste and outgoing damage by 15% and Crit Chance by 5%. Also grants 2 mana to the attacker for every hit attempt (restores mana even on dodges and misses). Lasts 15 seconds.
• Cooldown lasts 45 seconds.
• Crafts in batches of 10.

Thanks to Flitterifie and ingomarelementary.