Eldritch Invocations 5e– Several level ups let you gain new Eldritch Invocations, and you can swap your Invocations every time you gain a Warlock level. Mystic Arcanum – At various levels, you’ll gain more Warlock spells to cast with this feature. Wizard Full class guide:Wizard 5e Spellcas...
Average people don't level up. That's not how the world works, or D&D 5e works, so no, average people don't in fact level up. However long it takes for a normal person to get from level 1 to level 2 as a druid is up to the DM, if they say that's...