HX5 was all original content.
Don;t blame Ruin, when the mod came out he was starting his modding career with the sheep mod (or something like this)
In fact is HX5 somewhat the sequel to Black Sun (Hence HX5 - Red Sun) It was developed during my stay in Harntrox's house ( Great time m8 .. i still miss the 6$ burger dearly!!!!)
So be assured in HX5 is only original content or content which was used with WRITTEN permission.
DA in the contrary with his mod (i forgot the name) and Gunslinger mods just compiled without any permissions which actually made a couple of ppl quit this whole modding thing.
I hope i could shed some light on this misunderstanding.
Cheers