Buff
Ally Protection
The Caster Champion takes 25% or 50% of direct damage inflicted upon the Target Champion. Self-inflicted damage (HP Burn or Poison) does not trigger this effect. Each Champion uses their own DEF value for mitigating damage.
What the game's own status effects screen says
In the game data this effect appears as ShareDamage50, ShareDamage25.
Champions that apply it
60 champions have a skill that applies Ally Protection, according to the effect lines in the game data. This lists who applies it, not how reliably: chance, duration and resistance are on each champion's page.
Acelin the Stalwart
Admonitor
Andryssia
Arix
Azure
Blizaar the Howler
Bloodhorn
Broodlord
Cagebound
Canoness
Captain Temila
Daywalker
Deephook Nagis
Elder
Frolni the Mechanist
Frontline Warrior
Gharol Bloodmaul
Giath the Truthshield
Gizmak the Terrible
Gladewulf
Gnarox Blackhorn
Grumbler
Heinrik Demondoom
Jareg
Keeyra the Watcher
Korugar Death-Bell
Krisk the Ageless
Kunoichi
Kyoku
Leonardo
Lodric Falconheart
Lugan the Steadfast
Margrave Greenhawk
Miscreated Monster
Mycolus
Myrmidon
Nazana
Nekhret the Great
Niamhe, Spear of Nyresa
Noct the Paralyzer
Rearguard Sergeant
Sandlashed Survivor
Scyl of the Drakes
Seducer
Skullcrusher
Sniktraak
Strategos Islin
Sydax King-killer
The Incarnate
Titus Blackplume
Toragi the Frog
Truath
Trumborr
Tyrant Ixlimor
Urost the Soulcage
Ursuga Warcaller
Vergis
Versulf the Grim
Visix the Unbowed
White Dryad Nia
The description is the game's own text. It has not been tested in battle here, and the game's wording can be loose (for example about numbers that differ between versions of an effect). See Data quality for what has and has not been checked. Found a mistake? Use "Report a problem" at the bottom of the page.