Seems like there was just one trap there with a long respawn time ....that had a stun on it?
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03-29-2003
"Go past the Guard Captain spawn, past the Ancient Gatekeeper spawn dont take bridge to right to royals go straight over the bridge which has a DD stun trap on it to make pulling over it a pain and set up camp in the alcove facing the Koro room."
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Nov 09 2003
"So he followed me down, he disarmed the trap on the bridge entrance to main castle,"