Getting a gamer who knows and loves a particular RPG system to swap systems can be very, very difficult. I know that for a fact. Well, if you're wanting to try out the Symbaroum world but have had problems getting your D&D-loving friends to give it a go, Free League Publishing is here to help. They've announced the Symbaroum setting book for D&D is coming to Kickstarter next month.
From the website:
Free League Publishing today announced that Ruins of Symbaroum, the 5E adaptation of the praised dark fantasy roleplaying game Symbaroum, is coming to Kickstarter on April 13 at 3pm CET (9 am US Eastern).