3 0 6 ▁BC , ▁the ▁young ▁King ▁Z ha ox i ang ▁asc ended ▁to ▁the ▁throne , ▁with ▁his ▁mother ▁Queen ▁Dow ager ▁X uan ▁serving ▁as ▁reg ent . ▁ ▁Know ing ▁Q in ▁could ▁not ▁focus ▁on ▁er adic ating ▁Y iqu ▁when ▁it ▁had ▁the ▁host ile ▁eastern ▁states ▁to ▁deal ▁with , ▁and ▁her ▁son ' s ▁rule ▁was ▁still ▁sh ak y ▁due ▁to ▁numerous ▁rival ▁princes ▁keen ▁to ▁capture ▁the ▁throne , ▁Queen ▁Dow ager ▁X uan ▁decided ▁to ▁use ▁an ▁approach ▁of ▁pret ended ▁conc ili ation . ▁ ▁She ▁invited ▁the ▁king ▁of ▁Y iqu ▁to ▁live ▁long - term ▁in ▁the ▁Gan qu an ▁Palace , ▁and ▁consum m ated ▁a ▁sed uct ive ▁l ia ison ▁that ▁produced ▁two ▁sons ▁with ▁him . ▁ ▁This ▁completely ▁removed ▁the ▁Y iqu ▁King ' s ▁host ility ▁towards ▁Q in , ▁as ▁the ▁beg u iled ▁king ▁had ▁lost ▁all ▁c aut ious ness ▁around ▁the ▁Queen ▁Dow ager . ▁ ▁At ▁the ▁same ▁time , ▁King ▁Z ha ox i ang ▁was ▁ag gress ively ▁acting ▁to ▁weak en ▁rival ▁war ring ▁states ▁in ▁the ▁east ▁and ▁south , ▁and ▁Queen ▁Dow ager ▁X uan ▁was ▁secret ly ▁planning ▁with ▁her ▁son ▁the ▁event ual ▁anni h ilation ▁of ▁Y iqu . ▁ ▁Finally ▁in ▁ 2 7 2 ▁BC , ▁Queen ▁Dow ager ▁X uan ▁b ared ▁her ▁f angs . ▁ ▁She ▁l ured ▁the ▁uns us pect ing ▁Y