Kinah Ledger
Frontline Guard
Not from open-world monstersThe game files list it from Krao Cave. Seen one drop somewhere else? The tracker logs it.
Other places Frontline Guard comes from
Bosses, field bosses, named elites, dungeons, raids and events. These aren't open-world farming: Field boss Dungeon
Enhancing Frontline Guard
The game's listed chance for each step up to +5, with the pity bonus added after each fail. +0 to +5 always works.
Recipe, stations and enhancement steps from the game files via MetaBot.GG.
More guard
Splendent Star Dragon Lord GuardSplendent True Dragon Lord GuardStar Dragon Lord GuardTrue Dragon Lord GuardArtisan's Splendent Orichalcum GuardFallen Ancient God GuardWisdom GuardFantasy GuardSpectral GuardHoly Spirit GuardCourage GuardBakarma Guard
Questions
Where does Frontline Guard drop in Aion 2?
The game files don't list Frontline Guard on any regular open-world monster. They list it from Krao Cave.
Can you farm Frontline Guard in the open world?
Not from regular monsters: the game files list none. If players log one with the tracker, this page will show it.