Firestar: hero/prophecy

Leafpool: forbidden relationship/medicine cat

Squirrelflight: journey

Jayfeather: medicine cat/prophecy/half clan/power

Lionblaze: half clan/power/prophecy(but still is boring XD)

Hollyleaf: half clan 

Dovewing: power/forbidden relationship/prophecy

Ivypool: dark forest 

Violetshine: prophecy

Twigbranch: prophecy

Alderheart: medicine cat

Shadowsight: medicine cat/evil connection thingy

Rootspring: forbidden relationship/ghost connection power thingy

Bristlefrost: normal

Erins: NUUUUUUUUUUUUU WE CAN'T HAVE A MOSTLY NORMAL PROTAGONIST!!!!!!!!

*Inserts unneeded totally out of character forbidden romance*

Bristlefrost: forbidden relationship

~•~•~•~•~

The only kinda normal protagonists in the main series-

Squirrelflight
Hollyleaf
Ivypool
Violetshine/Twigbranch MAYBE KINDA
Bristlefrost BEFORE THE TERRIBLE DECISION OF FORBIDDEN ROMANCE

If you don't count being a medicine cat as special then-

Alderheart