Eye for an Eye
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
All critical strikes against you cause 15% of the damage taken to the attacker as well. The damage caused by Eye for an Eye will not exceed 50% of the Paladin's total health.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.