Evolving Dreepy into its second form, Drakloak, is easy enough — but if you catch the little dragon early enough, you won't see its evolution for a long time. To get a Drakloak, you'll need to ...

or one of its evolutions, as your buddy and by spending Rare Candy. (Though we remember saving your Rare Candy for rarer Pokémon like Dreepy or for Legendary Pokés.) ...

In Sword and Shield, Dragapult is the final evolution form of Dreepy and Drakloak. This Pokemon Sword and Shield Dragapult Locations guide covers all you need to know about acquiring and training it.

Tinkatink and Tinkatuff and Tinkaton, its two evolutions, can now be caught in ... I'd recommend saving that for rarer Pokémon like Dreepy.