Mod Update: on Steam Workshop,
or download the updated spacemagic.smod 
Now when playing with the mod kingdom Firefly Clan, the Space Magic jobs will also be available for their Goblins! They will also get attacked by Rift Monsters occasionally after 35 days, when having these minimum job users also: Sun Mage lvl2, Moon Mage lvl2, Spirit Walker lvl5.
Thanks to BrunoSupremo, creator of Firefly Clan, for his help!
Look up his mod here: Swamp Biome + Firefly Clan + Beast Tamer
