The Warden is on a power level hitherto unseen in Minecraft, so taking one on is no mean feat. Luckily, this guide will walk you through exactly how the new mob operates, to give you a fighting chance ...
Biomes are regions in Minecraft that have different terrain generations, block composition, climate, mob spawns, etc. When you first spawn in a new world, it will be in an Overworld biome.
Minecraft fans have always been made to speculate about the game - the developers have intentionally not given many answers so that the world remains full of mystery.