A hat applied a special engine which can move Angeling's wings. This engine seems to have a myterious function.
All Stats +1.
ATK +2, MATK +2.
Additional ATK +2, MATK +2 per 1 refine level.
Has a chance to transform into Angeling for 5 seconds when dealing physical or magic attacks.
When triggered with a phycial attack, ASPD +2 for 5 seconds.
When triggered with a magical attack, decrease variable cast time for 5 seconds.
Transformation success chance increases by each refine level.

[iRO Description]
A hat applied a special engine which can move Angeling's wings. This engine seems to have a myterious function.
All State + 1.
ATK, MATK + 2.
Additional ATK, MATK + 2 per 1 refine grade.
Transform into Angeling for 5 sec by a certain chance when attacking physically or magically.
When transforming with a phycial attack, ASPD +2 for 5 sec.
When transforming with a magical attack, decrease Floating Casting time for 5 sec.
Transformation success chance will be increased per each refine grade.