30 Minute Dungeon : Crypt Of The Bird Demon

Once again, per the methodology from Priestess of Spiders.

Idea : The aviary burial crypt of an ancient demon meant to be kept locked away 

Hook : Wizard's paying you to crack open this tomb and bring back its contents

Encounters :

A. 1d8 devil peacocks with flaming eyes and golden tail feathers, prowling about crooning praises of their lord. 

B. 2d4 tomb guardians wrapped in scripture-inscribed cloth, lugging copper-swords, bellowing warnings at interlopers. Detest the peacocks, pity the skeletons.

C. 1d4 golden skeletons aimlessly whispering, grasp at the living in hopes of dragging them back to their slumbering master and having their flesh restored in reward. 

Key :

Trap/Hazards 

A long hall with lead seal inscribed into the floor and ceiling, both glow sickly, stepping over or under it causes lightening to arc between and electrocute the intruder. 

The avian demon itself slumped over an iron throne bound in copper chains, surrounded by decaying gold skeletons and hung with gilded ornaments. If disturbed it will grasp the nearest living creature and drain its soul, reinvigorating it enough to burst its bounds. It desires an appropriate retinue, and more souls, offering tempting rewards.

"Empty"

An entrance chamber cut into the red sandstone leading to a massive lead door inscribed with warnings in a dead tongue. 

Twisting baffle-maze, all made of spirit thwarting zig-zags, many warnings written upon the walls. 

Tomb warrior niches set into the wall, the inhabitants long since crumbled to dust and fabric scraps Sorting through reveals corroded anti-magic copper swords and copper circlets. 

Special 

An inscribed lead sphere with cylindrical section unscrewed from it, hung from the ceiling in a copper-framework. The unscrewed section glows sickly. Reinserting it will activate the thaumatic bomb within which will explode in 5 minutes compacting the entire tomb into a localized singularity.

Non-Player Character

The nameless scribe whose sigil-tattooed body is invisible to spirits, constructs, and demons. He constantly repairs the tomb wards with chisel and hammer. Tek tek tek. Made immortal by hiding his soul in said chisel. Sleeps in a hidden wall-niche. Gives stern warnings, but is friendly and eager for conversation and new things.