#OnThisDay#Etrigan#TheDemon#comics#immortal#rhyming#PrinceValiant#cosplay-inspired#rogue#BoundByHisHalfBrother#Merlin#demonologist#JasonBlood#DocSavage-type#supportCast#JackKirby’s@dcofficial.bsky.social#early70sHorror#4thWorld