Firstly block any entrances off so that no new water can enter. Then fill the interior with a block like sand or netherrack perhaps, something that is abundant and can be removed quickly. The idea is that when all the interior space is gone, you've removed all the 'source blocks' that water flows from. You then have to remove all the stuff you just placed, but the water is now gone from the room.
Chat with our AI personalities
Respiration in Minecraft allows you do breathe longer under water. Aqua infinity is the enchantment that allows you to mine faster underwater.
The enchantment, Respiration, will help you breathe underwater. Not only that, but it makes your vision clearer while swimming underwater.
Depth Strider allows you to run faster underwater.
There is no special 'swamp water' in vanilla Minecraft. All of the water there is the same as the normal water in the rest of Minecraft.
y=256.