Key Details of the Flask of Cerulean Tears:

Strategic Flask Allocation:
When you reach a Site of Grace, you’ll have the option to Elden Ring Items customize your flask allocation, deciding how many of each flask you want to carry. The more you collect Golden Seeds, the more you can increase your flask charges, but you’ll still need to strike a balance.

For Pure Magic Builds: If you're focusing on casting spells and managing FP, you’ll likely want to prioritize the Cerulean Flask with a higher allocation of charges to ensure you can keep casting.

For Hybrid Builds (Magic + Melee): If you use both magic and physical combat, you might want to balance your flask allocation more evenly between Cerulean and Crimson flasks, depending on whether you need more healing or more FP for skills and spells.

Location and Acquisition:
The Flask of Cerulean Tears is a starting item, given to you early in the game as part of your Tarnished loadout. However, you can increase its effectiveness and utility through upgrades.

Sacred Tears are obtained at Churches of Marika and other special locations across the Lands Between.

Golden Seeds are found in various locations, often near key areas like Sacred Sites or on the way to major landmarks in the world.

Conclusion:
The Flask of Cerulean Tears is an absolute necessity for any character using magic or relying on weapon skills in Elden Ring. It provides the much-needed resource to keep casting spells, performing powerful attacks, and using your special abilities in the heat of battle. Efficiently managing your flasks and ensuring that you’ve upgraded them can make the difference between life and death when facing the toughest enemies and bosses in the game.

Always keep an eye on your FP and use your Flask of Cerulean Tears strategically—whether you're pulling off a deadly sorcery or cheap Elden Ring Runes a devastating weapon skill, this flask will ensure that your magic and abilities never run dry.