▁them ▁to ▁M ith ra x ▁himself , ▁hiding ▁out ▁in ▁the ▁bas ement ▁of ▁an ▁old ▁building ▁on ▁the ▁Farm . ▁M ith ra x ▁brings ▁the ▁Guardian ▁to ▁the ▁ru ins ▁of ▁the ▁old ▁Tower ▁in ▁the ▁Last ▁City , ▁where ▁F allen ▁House ▁of ▁Dev ils ▁loyal ists ▁have ▁broken ▁into ▁the ▁C rypt arch ▁v ault ▁deep ▁within ▁and ▁have ▁st olen ▁preserved ▁S IV A ▁te ch . ▁The ▁Guardian ▁and ▁M ith ra x ▁in va de ▁the ▁old ▁Tower ▁ru ins ▁and ▁neutral ize ▁Si ri ks , ▁Lo yal ▁to ▁Er am is , ▁the ▁F allen ▁captain ▁behind ▁the ▁he ist . ▁After ▁defe ating ▁Si ri ks , ▁M ith ra x ▁re co vers ▁and ▁gives ▁the ▁Guardian ▁the ▁S IV A - power ed ▁ex otic ▁pul se ▁rif le ▁Out break ▁Per fect ed , ▁in ▁order ▁to ▁prevent ▁the ▁F allen ▁from ▁using ▁S IV A ▁ever ▁again . ▁The ▁Dr if ter ▁eventually ▁not ices ▁the ▁Guardian ' s ▁efforts , ▁and ▁asks ▁the ▁Guardian ▁to ▁" gra b ▁something " ▁for ▁him ▁the ▁next ▁time ▁they ▁are ▁in ▁the ▁old ▁Tower ▁ru ins . ▁ ▁Season ▁of ▁Op ul ence ▁Re leased ▁on ▁June ▁ 4 , ▁ 2 0 1 9 , ▁Season ▁of ▁Op ul ence , ▁also ▁known ▁as ▁Pen um bra , ▁was ▁the ▁third ▁and ▁final ▁content ▁drop ▁for ▁the ▁Ann ual ▁Pass ▁and ▁focused ▁on ▁Emperor ▁Cal us ▁from ▁the ▁base