From Fallen Sword Wiki
Name: Summon Shield Imp
Description: Creates an Imp which will absorb 100% of damage inflicted when the damage is greater or equal to your remaining HP. Each full absorb uses one of the Shield Imp's hit points. The Shield Imp starts with 3 hit points and gains one for each 50 points placed in this skill. The Shield Imp auto-debuffs when it reaches zero hit points. (Note Super-Elites can crush the imp in a single turn regardless of hit points remaining and it only works in PvE).
Duration: 60 Minutes
Max. Modifier: 13 hit points per Shield Imp with 500 points
Potions with this Skill