Listed here is base item information for Battle Trance
Description: “The change that overtook my brother in battle was terrifying. His eyes turned hard like diamonds, and the way he moved… it was like he was dancing to music only he could hear.”
– Captain Dervin
Class: Barbarian
Type: Amulet
Special – Increase Frenzy’s maximum stacks by [Affix_Value_1]. While you have maximum Frenzy, your other Skills gain [random Affix_Value_2|%+|] increased Attack Speed.
For the latest information, check the following source: Battle Trance