All standard invisible spells have a random chance to break. Improved spells are static. If you want a spell to be static, use effectid 314 for invis, or 315 for invis vs the undead. effectid 12, 28, or 29 (invis, ivu, iva) are all dynamic length.
Everquest is a registered trademark of Daybreak Game Company LLC.
EQEmulator is not associated or affiliated in any way with Daybreak Game Company LLC.
Except where otherwise noted, this site is licensed under a Creative Commons License.