Btw, you said you were an expert with spider traps right? Well me and lms know this are where there are SIX spider spawners right next to eachother. Anyway you can combine them so they all lead up to the same port? Imagine that holy shit, 6 spawners with 4 per each spawn, which = 24 fucking spiders to kill. THATS SO MUCH EXP
You would need 5 alts running to get them all spawning. You need to be within 16 blocks of a spawner to enable it.