Ideas for satellites at ~70% FTSE All World

I'll soon start my first job as a trainee and will also earn my first big money with it. I have been investing around €40 per month for over a year (€30 in the FTSE, €5 in silver and €5 in gold) and now I would like to increase the savings rate. I plan to invest 700 euros, where I'm thinking of continuing to put 500 euros into the holy FTSE as core and then investing 200 euros as satellites to have money for medium-term goals. I'm sure about the precious metals