▁who ▁had ▁been ▁ex iled ▁from ▁the ▁City ▁years ▁before ▁the ▁first ▁game ▁( d etailed ▁in ▁the ▁supp lement ary ▁web com ic ▁Fall ▁of ▁Os ir is ). ▁Tra vel ing ▁to ▁Mercur y , ▁the ▁Guardian ▁loc ates ▁the ▁gateway ▁to ▁the ▁In finite ▁Forest , ▁a ▁sim ulated ▁universe ▁created ▁by ▁the ▁V ex ▁inside ▁the ▁planet ' s ▁core , ▁but ▁is ▁unable ▁to ▁enter ; ▁the ▁Guardian ▁then ▁comes ▁under ▁attack ▁from ▁V ex ▁construct s ▁from ▁various ▁points ▁in ▁time . ▁Bro ther ▁V ance , ▁the ▁fan at ical ▁leader ▁of ▁the ▁Follow ers ▁of ▁Os ir is ▁( return ing ▁from ▁House ▁of ▁Wol ves ), ▁direct s ▁the ▁Guardian ▁to ▁a ▁hidden ▁temple ▁in ▁an ▁abandoned ▁radio ▁tower ▁in ▁the ▁ED Z ▁on ▁Earth , ▁with ▁a ▁modified ▁V ex ▁device ▁that ▁can ▁restore ▁S ag ira . ▁The ▁device ▁tempor arily ▁mer ges ▁S ag ira ▁with ▁the ▁Guardian ' s ▁Ghost , ▁allowing ▁them ▁to ▁access ▁the ▁gateway ▁to ▁the ▁In finite ▁Forest . ▁ ▁Inside ▁the ▁Forest , ▁the ▁Guardian ▁enc oun ters ▁ref lections ▁of ▁Os ir is ▁created ▁to ▁explore ▁its ▁different ▁sim ulated ▁real ities . ▁The ▁ref lections ▁explain ▁that ▁in ▁the ▁past , ▁Mercur y ▁had ▁been ▁a ▁garden ▁world ▁sh aped ▁by ▁the ▁Tra vel er , ▁before ▁the ▁V ex ▁arrived ▁and ▁created ▁the ▁Forest ▁in ▁Mercur y ' s ▁core . ▁The ▁Guardian ▁witness es ▁a ▁sim ulated ▁future ▁scenario ▁created ▁by