Also make sure to set your particles to minimal, because apparently the bubbles will destroy you no matter how good your PC is.   

no joke seriously it will not sure at bottom where killing chamber is i have to test that.

Edit. It does lag even entering from the portal underneath the bubble columns.

Hello everyone i recently finish my Guardian Farm it's also consider a Public Farm you can get to by walking east from the spawn portal in nether if you see four cobble pillars with torches on top you made it just walk down the staircase and you be there.
Note: Before you enter turn your particles to minimal or you will lag like the dickens.

Things to note if you want exp mode you will push the button to the right of the prismarine container box.

At some point i'm going to make the glass area going down bigger cause the Guardians at top just jump across without going down a big problem that i have to fix.

Another thing to mention i'm building a base around my Guardian Farm those areas and items off-limits that includes the villagers there once i get them but you can help yourself to exp and drops from my Guardian Farm.

Also lastly i will be decorating my farm so don't worry your pretty heads it won't stay ugly for long.

edit. There a way at the ocean to it to get in also it's near the conduit just avoid the bubble columns for dear lord don't enter the bubble columns you will die and lose all your stuff. xD

edit. Making it clear it's my Guardian Farm but can be use by everyone!(Exp+Drops)

edit. all 3 beacons up you can probably kill the guardians without armor just be careful and eat when needed!

water streams done don't do anything until i clear the dirt at water surface first then i put the soul sand.

So happy that the first spawner I found is a skelly spawner! It's very close to spawn ... bonus!

For now it's a low-tech-tickle-their-feet-with-a-sword deal until I have the resources to build a "proper" more automated farm.  Help yourself to XP and skeleton drops.

Coordinates to the surface entrance: 2828, 460

Update: one i got the whole inside clear with water in it somehow i manage not to die yea me.
I also got a 2 by 2 glass tube in middle next step is to build water ways at top then after that step
to put soul sand for bottom floor then after that clear temple then lastly build a glass wall around it.

Wish me luck your exp and drops will be here soon!