Aegis of Preservation

2 different WoW Forever spells share the name Aegis of Preservation. Each is a separate effect with its own tooltip; pick the one you mean to compare it with Classic Era.

• Aegis of Preservation #23780 unchanged Increases armor by 500, and heals $23781s1 damage every time you take ranged or melee damage for 20 sec.
• Aegis of Preservation #467525 unchanged Heals your target for 10% of their maximum health, and increases their maximum health by 10% for 20 sec.