It goes like this:
[Sprigatito][1]
[Quaxly][2]
[1]:
https://pokemondb.net/pokedex/sprigatito
[2]:
https://pokemondb.net/pokedex/quaxly
When you put the same number on the word(s) as before the url, it links them. If you want to do an in-line link, it goes like this:
[Fuecoco](
https://pokemondb.net/pokedex/fuecoco)
If you want to add an image, you just add an exclamation mark before the brackets, and make the text blank, like so:
![][3]
[3]:
https://img.pokemondb.net/sprites/scarlet-violet/normal/sprigatito.png
Or like so:

Markdown doesn’t work on walls, which is why this isn’t working, but if you paste this directly into a post, there will be links to Fuecoco, Sprigatito, and Quaxly’s dex pages.
Here is a list of all the other markdown commands (some of them don’t work in pokebase):
https://pokemondb.net/pokebase/meta/62257/how-do-i-use-formatting-e-g-links-images-headings
Btw I’m still waiting for those promised votes…