Let's talk House Rules!! Do you use em? Which are your main? Perhaps you're a Rules as Written guy? Let's discuss...

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https://www.anthonyhuso.net/blog-1/zargon-is-osr-the-hard-to-come-by-art-of-old-school-dming

https://www.anthonyhuso.net/blog-1/psionics-the-way-no-one-ever-played-them