Original sentence: The only shown exceptions are adamantium itself, and Captain America's shield, which is the only substance in the Marvel Universe known to be even more durable than adamantium
Edited sentence: The only shown exceptions are adamantium itself, and Captain America's shield, which, along with the Destroyer, and certain mystical artefacts, such as the Ebony Blade, is the only substance in the Marvel Universe known to be even more durable than adamantium