first things first new weapons,skills,armour,enemies,characters and fresh continuation of original storyline.
weapons like:a katana,scythe and bow.the wepons system could be like
name: katana
strength: high
speed: high
range:medium
cost: extremely high
format:dual wield
name:scythe
strength:medium
speed:high
range:medium
cost:high
format:dual wield
name:bow and arrow
strength:medium
speed:high
range:long
cost:extremely high
format:dual wield
name:sword
streght:medium
speed:medium
range:medium
cost:medium
formatne handed
name:axe
streght:high
speed:low
range:medium
cost:high
formatnehanded
name:dagger
streght:low
speed: high
range:short
cost:cheap
formatne handed