Warcraft e reforget rexar adventure

maybe not evryone finishing warcraft like for realy 100% maybe stop after base or last arthascutscene i actualy go beyond and playing rexar camping multi quest adveture after someting ? but here is my problem quest about clearing pit from bristlebeasts and here is the problem … after doing this there is 2 ways out both causing game to reverse to first cutscene about orc fighting bristlebeasts and asking to delive letter to threal … loding save causing frozen screen without curosr fixing only restart game but sill deleting progres until last save where i enter pit