first you get to go talk to the galactic grunt then follow he till you meet up with cynthium then go to rout 210 she give you a potion to cure the psyduck then deliver the charm she give to you to h ?

It seems like you're describing a sequence from a Pokémon game or a fanfiction narrative. In this scenario:

1. You first encounter and speak with a Galactic Grunt, which are members of the villainous team in certain Pokémon games.
2. After talking to the Galactic Grunt, you proceed to follow them until you reach Route 210, where you meet Cynthium, who might be a character unique to this particular story.
3. Cynthium gives you a Potion, typically used in Pokémon games to heal status conditions or restore health, specifically to cure a Psyduck that may be suffering from some ailment.
4. Additionally, Cynthium gives you a charm, which you are tasked to deliver to another character, represented by the letter 'h'. This could be any character within the game world depending on the context.

To provide more accurate assistance, I would need more details about which specific Pokémon game or story this is referring to. However, if it's a quest in a game, you'd continue playing by heading to the designated location to use the Potion on the Psyduck and then deliver the charm to the intended recipient ('h').