Form XI: Tràkata

Form XI was a form used to defend and attack while also appearing calm or unintrested in the duel. The user often deactivating his lightsaber and beginning to walk away. This would often enrage their opponent causing them to attack sloppily and leave themselves open to attack which is when the user would strike.

Users
Darth Alek Geric Vimm

There are many other practitioners especially since its popularity around 70 ABY