Ordinator - Perks of Skyrim Mod
MODOrdinator overhauls the perk trees of Skyrim to increase the depth and fun of character building.
40 - Preservation - Summoned and reanimated undead last three times as long (or twenty times if you place Hagraven Feathers into their inventory or use the Dread Zombie or Dead Thrall spells).
Only works with spells that affect other targets.
