Firbolgs have some innate spellcasting from their Firbolg Magic ability. They're able to cast Detect Magic plus a modified method of Disguise Self that will allow them to seem 3ft shorter to blend in with humanoid creatures like elves. I’d suggest speaking about with your party any gaps in proficiencies https://warforgedartificer35802.timeblog.net/63913609/examine-this-report-on-half-elf-best-class