▁of ▁ 1 3 0 6 , ▁Otto ' s ▁second ▁oppon ent ▁Charles ▁of ▁An jou ▁occupied ▁Es z ter gom , ▁S ze pes ▁Castle , ▁Z ó ly om ▁and ▁some ▁other ▁for tr esses ▁in ▁the ▁northern ▁parts ▁of ▁the ▁kingdom , ▁and ▁in ▁the ▁next ▁year ▁he ▁also ▁occupied ▁B uda . ▁In ▁June ▁ 1 3 0 7 , ▁Duke ▁Otto ▁III ▁visited ▁the ▁powerful ▁Vo iv ode ▁of ▁Trans ylvan ia , ▁Lad is laus ▁K án , ▁but ▁the ▁latter ▁imprison ed ▁him . ▁On ▁ 1 0 ▁October ▁ 1 3 0 7 , ▁the ▁magn ates ▁presented ▁at ▁the ▁assembly ▁in ▁R ák os ▁proc laimed ▁Charles ▁king , ▁but ▁the ▁most ▁powerful ▁arist ocr ats ▁( M att hew ▁III ▁Cs ák , ▁Am ad é ▁Ab a ▁and ▁Lad is laus ▁K án ) ▁ignored ▁him ▁as ▁well . ▁At ▁the ▁end ▁of ▁the ▁year , ▁Lad is laus ▁K án ▁set ▁Otto ▁free ▁who ▁then ▁left ▁the ▁country , ▁but ▁the ▁Vo iv ode ▁of ▁Trans ylvan ia ▁still ▁denied ▁to ▁hand ▁over ▁the ▁Holy ▁Crown ▁of ▁Hung ary ▁to ▁Charles , ▁whose ▁legit im acy ▁could ▁be ▁question ed ▁without ▁the ▁coron ation ▁with ▁the ▁Holy ▁Crown . ▁ ▁Otto ▁ab dic ated ▁the ▁Hung arian ▁throne ▁in ▁ 1 3 0 8 . ▁Otto ' s ▁invol vement ▁in ▁Aust rian ▁and ▁Hung arian ▁affairs ▁weak ened ▁his ▁position ▁in ▁Bav aria ▁and ▁finally ▁led ▁to ▁failure ▁due