there is a ripple of infinite xp, it is expensive and hard to get but every tick you hold it you get another level of xp, can be made with 2 emerald blocks 2 diamond blocks 1 netherite block 2 amethest blcoks a bottle 'o enchanting and a bottle of dragon breath or trade 4 diamond blocks ans 2 netherite blocks.
The Xp ripple Team
