Also known as: インパルスフォーム
The default barrier jacket form of Fate Testarossa in her adult years. First introduced in Mahou Shoujo Lyrical Nanoha Strikers.
Consists of a white, coat-shaped collared Cloak worn over a dark-colored military-style Double-Breasted Overcoat. Worn together with a military uniform Skirt and Black Thighhighs.
Normally wear Black Gloves on the right hand and Gauntlets on the left (Mismatched Gloves).
Fate Testarossa initially wears her hair in her signature Twintails while in Impulse Form, before switching over to a Ponytail (done in a similar style as Yuuno Scrya's) later in Mahou Senki Lyrical Nanoha Force.