Mass Endurance
From HGWiki
Caster level: Cleric 6; Druid 6; Sorcerer/Wizard 6
School: Transmutation
Components: Verbal, Somatic
Range: Short
Save: Harmless
Spell resistance: No
Area of effect: Medium
Duration: 1 Hour / Level
Description: The target creatures Constitution is increased by 1d4+1. at caster level 20 the spell adds 2d4+2 and at caster level 40 its adds 3d4+3to constitution, to a maximum of +12.