For the people talking about ways to make a warrior interesting without more spells. This is a topic that has been explored by the GLOG. I give you
The zouave: a veteran coming back to the world of adventure. they have to knock off the rust, but their experiences give them special knacks
Chi Wen Tzu used to playtest his rules before posting them. The Master, upon hearing of this, said "Writing them out is quite enough."
as-they-must.blogspot.com
The gun priest: their faith and their gunslinging give them abilities.
"...but Samuel Colt made them equal." GLOG Class: the Gun Priest A: Ordained, Gunslinger, Holy Books B: Blessings on this House, Set ...
caput-caprae.blogspot.com
Of course you would have to re-stat that in 5e but... making balanced stats is not that hard. Good ideas? That's hard. The GLOG design ethos is one of constant rebuilding and hacking, so the authors won't mind if you "borrow" their ideas!