Psychophobia: E2M7 The Crypt - Level 2 (Part 3/6)
http://www.moddb.com/mods/psychophobia/downloads
Part 3 of the second-to-last map.
This cave / mine area is pretty short and easy. There's just a few Hellknights, Barons and Babycacos in there guarding the blue key. However, after the first section with the lava and Afrits, you'll find an Arachnphyte inside a tiny upwards-corridor. It can't even move in there making it almost completely defenseless :P I have no idea why they'd put such a big monster in a tiny room...
After you get the blue key you'll have to go back to that elevator near the beginning again. You could either go back through the mine or through he path which led you to the yellow key. It doesn't matter which way you go, because either way you'll have to fight one of 2 bosses. If you go back through the mine a Cyberdemon awaits you guarding the elevator, and on the other way a Spider Demolisher awaits you in the big room with the 3-ways bridge.
I fought against the Demolisher and saw that it takes quite long with rockets... I guess it's immune to splash dmg or something.
Now the area behind the blue key door looks like a tomb, there are a few Undeads in here guarding a sword but they're pretty easy. BTW sword + berserk pack = very big damage and a high chance to slice enemies apart :P
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