Valiant Force Forum

hi all need help to build my team. cant pass the legendary stories and some event in legendary as well 
here my hereos

WARRIOR
5* freya dragoon (zeus)
5* vincent warlord (hercules)
4* vincent slayer (zeus) *training him to berserker
4* vincent lancer (hercules) *dunno what to do with him
3* freya (athena) just got her from valiant ticket

ARCHER
5* nadia gunslinger (kratos)
4* nadia marksman (hercules) *dunno what to with her
SHADOW
5* kai ninja (hera)
3* izumi thief (zeus) *dunno what to do with her

GUARDIAN
5* tristan chaos knight (hercules)
3* darrion knight (kratos) *cant decide which path for him(please give me suggestion)
3* leon knight (zeus) * cant decide which path for him(please give me suggestion)

CLERIC
4* emilia priest (athena) *cant decide which to promote(please give me suggestion)
4* theia priest (athena)
3* teresa (hera) *dunno which path for her

MAGE
5* leandra (ares) 
3* zedd (athena) *training him to elementalist (is it right choice?)
3* Taegen (ares) *dunno what to do with

please give some suggestion or advice for my heroes path. cant decide what to do with them

thank you all in advance