The Great Trial is a 5e adventure for characters starting at 7th-level and ending at 10th-level. It's a dungeon consisting in the 3 levels, where the first level is the lowermost one and the last is the uppermost one:
First level is composed by mean traps, puzzles and combat;
Second level is a labyrinth with a construct Minotaur - the Minotal - and an iron wyvern, brand new creatures;
The last and uppermost level is actually a jungle-like demi-place filled with dinosaurs in an open world format.
Aenor Gleenwith, a powerful elf wizard, wants to make history alongisde Acererak for his Tomb of Horror and Halaster for his Undermountain. So he created his own dungeon. To test its efficiency, he captures adventurers and puts them in the lowermost level, where they need to work together to survive and leave the dangerous place. At the end, Aenor himself greets the group offering them apologies for the harm caused, to fix all damage caused and also rewarding them for the forced help.
This module can be run in any setting, campaign, or as a one-shot. It should take around 10 to 14 hours to complete it since it contains 3 Chapters.
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