300 difficulty boss fight against Garden Emperor (FF2), in the Dark-focused event 'A Shadowy Request', on Final Fantasy Record Keeper (Global version on Android).
This event highlights Leon (FF2), Gabranth (FF12), Kuja, (FF9), Seymour (FF10), and Vayne (FF12); they are the only characters with Bravery Synergy in battle.
Target score is to finish the battle with 2 or more Heroes not KO'ed.
Emperor is vulnerable to Darkness damage, absorbs Holy, and has no other elemental resistances or vulnerabilities.
Uses attacks that can Confuse, Slow, Sap and Interrupt.
Casts Haste, and also counters taking damage by casting Haste.
Uses mostly group attacks and magics that ignore defense and/or resistance.