Collecting all souls is a major part of Aria of Sorrow, and some souls have notoriously low drop rates. Maximizing your Luck (LCK) stat is paramount for efficient soul farming.

- Luck Stat: The higher your LCK, the better your chances of rare drops.
- Rare Ring: This accessory significantly boosts LCK. It's found in the Underground Cemetery.
- Ghost Soul (Enchant): Equipping this soul provides a passive LCK boost.
- Soul Eater Ring: The ultimate farming accessory, found in the Chaotic Realm. It drastically increases soul drop rates. Combine this with the Rare Ring and Ghost Soul for maximum effect.
- Hammer's Shop: Hammer sometimes sells items that temporarily boost LCK.
- Farming Strategy: Find a Save Room near the enemy you want to farm. Defeat the enemy, and if it doesn't drop the soul, reload your save and try again. This resets the drop chance without losing progress.
Patience is key when farming for rare souls. With optimized LCK, even the rarest souls will eventually drop.