do gem effects in fate undiscovered realms stack

– Birthright – Blood Spawn: Creatures of Light and Shadow (2000).– Planescape Monstrous Compendium Appendix III (1998).– Savage Coast Monstrous Compendium Appendix (1996).- Ravenloft Monstrous Compendium Appendices I & II (1996).– Planescape Monstrous Compendium Appendix II (1995).– Dark Sun Monstrous Compendium Appendix II: Terrors Beyond Tyr (1995).– Monstrous Compendium – Ravenloft Appendix III: Creatures of Darkness (1994).– Monstrous Compendium – Mystara Appendix (1994).– Planescape Monstrous Compendium Appendix (1994).– MC15 – Monstrous Compendium – Ravenloft Appendix II: Children of the Night (1993).– MC14 – Monstrous Compendium – Fiend Folio Appendix (1992).– MC13 – Monstrous Compendium – Al-Qadim Appendix (1992).– MC12 – Monstrous Compendium – Dark Sun Appendix: Terrors of the Desert (1992).– MC11 – Monstrous Compendium – Forgotten Realms Appendix II (1991).– MC10 – Monstrous Compendium – Ravenloft Appendix (1991).– MC9 – Monstrous Compendium – Spelljammer Appendix (1991).– MC8 – Monstrous Compendium – Outer Planes Appendix (1991).– MC7 – Monstrous Compendium – Spelljammer Appendix (1990).

– MC6 – Monstrous Compendium – Kara-Tur Appendix (1990).

– MC5 – Monstrous Compendium – Greyhawk Appendix (1990).

– MC4 – Monstrous Compendium – Dragonlance Appendix (1990).

– MC3 – Monstrous Compendium – Forgotten Realms Appendix (1989).

– MC2 – Monstrous Compendium Volume Two (1989).

– MC1 – Monstrous Compendium Volume One (1989).

1 Monsters in the 2nd edition Advanced Dungeons & Dragons.

Do gem effects in fate undiscovered realms stack