I think that tinker will be the next hero class here is what i imagine it to be
3 specs
Chemist-healing type that uses special chemicals and such to heal people
Demolition-range damage uses fire/explosives to deal range damage
Robotist-pet/meele dps they will have robot pets and such :0
I think it will be a mail user that uses mail it can use shields all 1h weaps and 2h weaps enjoy...!!!!!!!