User blog comment:Eobard95/Arrow Season 6 - Two characters dying?/@comment-24152851-20170811230239/@comment-24152851-20170812103445

"Deaths" is vague and could be referring to deaths in general, because the assumption Oliver had was nobody survived the Lian Yu explosion. It may or may not be that spoiler thing again, using "deaths" can mean any number other than one, while saying "death" restricts it. There's also the several known Team Arrow members on the island that "deaths" could've referred to. All I'm saying, don't take very vague general statements too literally.