). ▁Lion el ▁also ▁lear ns ▁that ▁he ▁has ▁a ▁terminal ▁li ver ▁disease , ▁which ▁he ▁div ul ges ▁to ▁Lex ▁while ▁await ing ▁ar ra ignment . ▁ ▁Lion el ▁is ▁sent enced ▁to ▁prison ▁for ▁his ▁parents ' ▁murder ▁in ▁season ▁four . ▁Lion el ▁attempts ▁to ▁switch ▁bodies ▁with ▁Lex ▁using ▁a ▁stone ▁from ▁Clark ' s ▁home world ▁of ▁K rypt on ▁but ▁Clark ▁interven es ▁and ▁Lion el ▁switch es ▁bodies ▁with ▁Clark ▁instead . ▁When ▁he ▁and ▁Clark ▁switch ▁back , ▁Lion el ▁disco vers ▁his ▁terminal ▁li ver ▁disease ▁is ▁he aled . ▁Lion el ▁is ▁released ▁from ▁prison ▁by ▁Gene v ieve ▁Te ague ▁( J ane ▁Se ym our ), ▁and ▁begins ▁searching ▁for ▁three ▁stones ▁of ▁knowledge . ▁During ▁this ▁quest , ▁Lion el ▁falls ▁into ▁a ▁cat at onic ▁state ▁after ▁being ▁uploaded ▁with ▁K rypt onian ▁knowledge . ▁Lion el ▁re co vers ▁from ▁his ▁cat at onic ▁state ▁in ▁season ▁five ▁when ▁the ▁K rypt onian ▁artificial ▁intelligence ▁J or - El ▁takes ▁over ▁his ▁body ▁to ▁speak ▁with ▁Clark . ▁With ▁J or - El ▁gu iding ▁him , ▁Lion el ▁begins ▁helping ▁Clark ▁by ▁making ▁exc uses ▁for ▁Clark ' s ▁behavior ▁and ▁un exp la ined ▁disappear ances ▁throughout ▁seasons ▁five ▁and ▁six . ▁Season ▁seven ▁revealed ▁that ▁Lion el ▁and ▁three ▁other ▁wealth y ▁families ▁formed ▁the ▁secret ▁society ▁called ▁Ver itas ▁to ▁protect ▁an ▁al ien ▁visitor ▁known ▁as ▁the ▁Tra vel er ▁(