Get Your NEW Holiday Theory Wear NOW! ► http://creatorink.co/theory-wear SUBSCRIBE to never miss a Theory! ► http://bit.ly/1qV8fd6 The world of Minecraft is vast and pretty well explored... except for one place. You see, we've covered a LOT of Minecraft on this channel, and in doing research for all of that I've noticed that one place remains mostly undiscovered - or at least un-theorized! The underwater biome of Minecraft is FULL of weird creatures and tons of interesting lore, if you know where to look. Spoiler alert, I do! Today we are diving into old Gods, ancient ruins, and more! Get your scuba gear ready, Theorists! Get the game here ►► https://www.minecraft.net/ Need Royalty Free Music for your Content? Try Epidemic Sound. Get A 30 Day Free Trial! ► http://share.epidemicsound.com/MatPat SUBSCRIBE for Every Theory! ►► http://bit.ly/1qV8fd6 Hang out with us on GTLive! ► http://bit.ly/1LkSBnz #Minecraft #Guardian #TheDrowned #ElderGuardian #UnderwaterBiome #MinecraftLore #MinecraftTheory #Theory #GameTheory More THEORIES: The TRUTH About MINECRAFT’s World! ►► https://goo.gl/XySv1N The END of Princess Peach! ► https://bit.ly/2CJuYbm Minecraft's Ending, DECODED! ►► http://bit.ly/2d5o2Ky Mario Kart 8, Mario's SCARIEST Game? ► https://bit.ly/2wyeell What's Diamond Armor Worth IRL? ►► http://bit.ly/1Q5xhmM Credits: Writers: Matthew Patrick Editors: Danial "BanditRants" Keristoufi, Josh Langman, Tyler Mascola, and Koen Verhagen Assistant Editor: AlyssaBeCrazy Sound Editor: Yosi Berman