Right now, it's just a long sword. Might be more of you Attune to it and meet any prerequisites.
Does everyone else agree that Trev should wield the probably magic sword?
[ +- ] Attune
Attuning to an item requires a creature to spend a Short Rest focused on only that item while being in physical contact with it (this can’t be the same short rest used to learn the item’s properties). This focus can take the form of weapon practice (for a weapon), meditation (for a wondrous item), or some other appropriate activity. If the Short Rest is interrupted, the attunement attempt fails. Otherwise, at the end of the Short Rest, the creature gains an intuitive understanding of how to activate any magical properties of the item, including any necessary Command words.
An item can be attuned to only one creature at a time, and a creature can be attuned to no more than three magic items at a time. Any attempt to attune to a fourth item fails; the creature must end its attunement to an item first. Additionally, a creature can’t attune to more than one copy of an item. For example, a creature can’t attune to more than one Ring of Protection at a time.
A creature’s attunement to an item ends if the creature no longer satisfies the Prerequisites for attunement, if the item has been more than 100 feet away for at least 24 hours, if the creature dies, or if another creature attunes to the item. A creature can also voluntarily end attunement by spending another Short Rest focused on the item, unless the item is cursed.