deléhain: A direct translation of the kaeth word harghcha, literally meaning “pleasure-fight”; physical combat in social situations for the enjoyment of both the participants and any onlookers, which is a common feature of the kinesthetic kaeth culture.
Note that neither the Eldraeic hain nor the original cha define a scale without further qualification; the term deléhain can be applied equally well to two children roughhousing, or to Paltraeth’s annual Feast of the Blooding, a tradition compared by most visitors to a planet-wide civil war, albeit one conducted without modern weapons.
So when you say “modern weapons”, are we talking about what WE consider modern, or THEY consider modern?
They, in this case.
(Which probably means combustion-based firearms – along with their various precursors – are okay, as long as they aren’t throwing around good armor-piercing ammunition. The amount of metal concentrated in a kaeth’s shield and scales makes them pretty heavily armored against plain old lead.)