They may be summoned with the Lord of Blades, demanding they go see him. Or maybe an artificer is trying to reactivate a wrecked Warforged colossus, which would seem like a Awful thought. The feat assortment here is somewhat arbitrary. The subclass locks you in to unique weapons (the Thunder https://triton-dnd37914.blogunteer.com/27576324/the-elf-class-diaries