The second costs 500 Geo and can only be bought after collecting ten Charms. The first one costs 120 Geo and can only be bought after collecting five Charms. The exact conditions for each are as follows: However, they all have different Geo costs and are purchasable after some conditions are met. When you encounter Salubra in the Forgotten Crossroads, you'll see that she has four Charm Notches available for purchase. The first four Charm Notches are actually all obtainable from the same place, albeit at different times. Here, we'll outline those means to make life a little bit easier when trying out different Charm combos.
You start off with three at the beginning and gain more through various means throughout the game. Some are definitely better than others and the number you can experiment with depends on how many notches you currently have. However, Charms are not perfect, and you can't try them all out at once. RELATED: Hollow Knight: The Best Charms, Ranked Combat, travel, SOUL collection, the damage taken by enemies and/or hazards - all of these and more can be controlled and determined by the Charms you're wearing in any given situation, meaning how you overcome Hallownest's various challenges is totally up to you. Charms are one of the main features of Hollow Knight's world, as they allow the player to freely choose their approach to anything.