| Priority | Item | Cost | Why | |----------|------|------|-----| | 1 | Knight's Oath Fragment (x5) | 500 medals | Unlocks EX skill for main knight. Mandatory for ch.10 boss. | | 2 | Corrupted Memory Shard | 300 medals | Upgrades anti-corruption aura – counters the new "Fallen Hero" enemies. | | 3 | Legendary Enhancement Stone | 150 medals | Limited stock (10 per week). Use on weapon slot first. | | 4 | Skill Tome (Rare) | 100 medals | Boosts ultimate skill cooldown reduction. | | Low | Common gear/XP potions | 20–50 medals | Never buy these. Farm story stages instead. |

The economy of v104 is brutal. You cannot grind levels infinitely because enemies scale with your gear. To exploit the War Shop, you need a specific strategy:

The "Sacrificial Lamb" Route:

Using this method, players have reported farming up to 200 medals before the week 2 corruption check.

The vendor in v104 is named The Quartermaster, a scarred veteran who seems to know exactly when your relationship is faltering. His inventory rotates every three in-game days. Here are the must-buy items in the current meta: