Considered dishonorable and unsporting by most Jedi, so-called flickerphase modifications were never widely adopted.
More information about the crystal available on the Wookieepedia article.
FLICKERPHASE BLADE[1][]
Models Include: None
Base Modifiers: Decrease the lightsaber's damage by 2 and add the Inaccurate 2 quality (or increase the existing quality by 1). When attacking with this lightsaber, targets cannot use the Parry incidental to reduce the damage of the attack.
Modification Options: 1 Item Quality (Inaccurate –1) Mod, 1 Damage +1 Mod.
- ↑ Knights of Fate: A Sourcebook for Warriors (Page 48)