The original D&D books were written over 40 years ago now. While the system can and has stood the test of time, there are a few small alterations which are used in the creation of material for the world of Phaemorea.
As with all House Rules, these are entirely optional, and the inclusion or exclusion of these rules will have little impact on the usability of Phaemorea or any adventures set within it. It is the role of any GM to work out for themselves how they want their game to run. Continue reading House Rules for Phaemorea Suggested rule alterations for Classic D&D