I got some thoughts about passive spikes ability.
As you have suggested, it is reasonable that we suggest some area damage on nearby (on sides of chariot) units and for now that should be primary suggestion about that passive ability.
Also if chariot has those spikes then it is dangerous for nearby melee units, so units are trying not to be on chariot way or on it side. So we could suggest that chariot have smaller trample refresh time when we compare it to standard cavalry? Something similar Morgul riders (special unit) have.
Also I got some idea about that Oil Cask in Erebor version. Elite suggested that ability should have stun on units if it is implemented like "Flash fire". If in some case this stays as Oil Cask ability then we could also suggest that on units this ability have area effect in term of slowing movement those units in area for great %.
So damage dealing ability + area movement slow on units (just suggesting
)
What do you think about this?
Regards