Elden Ring Flask Guide: How to Upgrade Flasks and What They Do

gamespot.com:

The Elden Ring Flasks are among the most important items in the game, ones you should upgrade at every chance possible and balance to suit each challenge. Unless you know what you’re doing, though, you can go a long time without figuring out how to enhance these restorative items. There’s even a hidden Flask that buffs your stats and can make a world of difference in some of the game’s tougher battles.

You’ll obtain both the Flask of Crimson Tears and the Flask of Cerulean Tears as soon as you reach the tutorial dungeon, Stranded Graveyard, and they come with a built-in feature you can use to help augment your playstyle. The Flask of Crimson Tears restores a set amount of health upon use, and the Flask of Cerulean Tears does the same for your Focus Points (FP).

You start the game with three charges for the Crimson Tears and one for the Cerulean Tears. At any Site of Grace, you can swap how many charges each has--and you should before most major encounters. Melee-focused builds, for example, would benefit from more Crimson Tears charges and perhaps just one charge for the Cerulean Tears. That’s especially true before boss fights, when you’ll likely need to augment your strategies more than usual.

You can increase the number of charges for your Flasks and how much health or FP they restore, though both upgrades require special, hard-to-find items.

You’ll need Golden Tears to increase the number of Flask charges you have. These grow on the small golden trees dotted around The Lands Between, and you’ll find your first one just north of the Stormgate canyon. Initially, it takes just one Golden Seed to upgrade your Flasks, though, at higher levels, you’ll need to use several for each upgrade.

You can only use Golden Seeds at a