Gelatinous Room Trap CR 6 & 4
XP 2,400 and 1,200 (3,600 total, effective CR between 7 & 8)
Trigger touch; Reset manual
Effect Atk +20 ranged (6d6 damage); multiple targets (all targets in a 20-ft. line)
Cost 10,000 gp
This trap is a 10-ft.-by-10-ft. door with a relatively easy to spot trap of flying debris. The idea is to lure intruders into thinking something important is behind the door. However, the only thing behind the door is a 10-ft.-by-10-ft. room containing a gelatinous cube with a large spring-loaded mechanism behind it that forcefully launches it 10 ft. forward, directly into anyone unfortunate enough to be standing in its way.
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