This guide will tell you how to Unlock Weapons in Hades. It is quite easy to unlock them, you just have to follow the simple steps below to do so.
Initially in Hades, you can only use Stygian Blade as a weapon. However, as you progress through the game, you will unlock more weapons.
For this first, you have to make sure that you have chronic keys. Once you have it, you can unlock the weapons in the arsenal room in exchange for the keys.
