The Deep End, Dry Spell, Echolocation, Alternative Fuel, and Castaway achievements all in one video. Defeating the Elder Guardian can seem difficult and spooky but once prepared with buckets of milk, Minecraft enchantments and potions, etc. you'll be fine.
Seed number for Minecraft Bedrock 👇
-1618472320 for Alternative fuel and Castaway if you can't find kelp