Crypt Ghouls - an Alternate EXP Grind | Hypixel Skyblock

I am not sure how well known this is. This has been suggested in some forum posts, but you usually need to actually type in "crypt ghoul" to find those threads. Anyway, this method doesn't seem to have a video posted about it, hence this video.
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server: mc.hypixel.net
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Music used:
Song: Blue
Artist: AfterInfinity Music
Link:
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Minecraft,