Chaoes lv 2 drop bugg

I did the chaos dungeon lv 2 , 2 times with rest and aura , i only got blue accesory like from lv 1 , was mvp both times so in regards of participation at dungeon i did my share … so why im only getting same rewards as lv 1 ? not even 1 epic accesory … west europe - stonehearth sv
anyone else having this problem ?