Above Grim Batol, inside Naxxramas.
In a low-ceilinged laboratory, Karin sat at a table, staring intently at the cage in front of him.
An energetic white mouse sat in the cage, looking around with some curiosity.
Then it saw the tall humanoid before it pick up a strange staff and point it at it...
An incantation rang out in the laboratory. The mouse let out an agonized shriek, and its body slowly began to grow... With one final groan, it lost consciousness completely.
Looking at the mouse's corpse, Karin could not help frowning. He put away his staff and turned his gaze to the large pile of scrolls on the other side of the table.
These were all compilations Kel'Thuzad, Ruin, and Arugal had made of the warlocks' spells over this period.
"Strange," Karin muttered to himself. "The Orcs and Red Dragons matured by this spell could clearly stay alive for a while..."
"You're using too much mental power!" the All-Knowing Eye commented in his mind. "These weak creatures cannot withstand such powerful magic, so naturally they die from it. Reducing the intensity of your mental power somewhat should help."
Karin nodded thoughtfully, tossed the mouse's corpse into the nearby rubbish bin, then took another cage from beside him.
Inside was another lively white mouse.
This time, Karin raised Atiesh and cast the spell with greater care.
As the incantation rang out, the mouse's body slowly began to grow again. When it finally reached roughly the size of a palm, Karin stopped chanting, and the mouse stopped growing.
Judging by its appearance, however, it seemed to have trouble even standing...
"Your magic is meaningless!" the All-Knowing Eye commented. "This mouse cannot move at all now, and it will live for no more than a day... It is nothing but a