Everything from earlier editions has actually been cleaned as well as their original mythology is scarce, so we’re just likely from the couple paragraphs current within Volo’s Guide to Monsters.  Warforged are constructs with the dwelling construct subtype. A dwell

Greater Invisibility: Being able to attack or cast spells even though invisible is a large up grade from frequent invisibility. While the goliath druid is not wearing heavy armor, the goliath druid gains a +one reward for the goliath druid’s speed. can only be