This rarely happened to magic tools that were still being used. The only possible explanation was bad luck.
The crack meant that the Voodoo Doll's ability was greatly weakened. In such a moment, it might not be effective at all.
The Voodoo Doll was a dark, hideous doll that had big creepy eyes and a bloodcurdling smile. The crack was right on her face.
The crack would've been insignificant damage on other occasions, but at this moment, it became a lethal weakness, and quickly expanded.
Alonzo, who had been prepared for an accident, determinedly squished the Voodoo Doll while chanting a spell the moment the crack appeared.
He used a completely different curse than he normally did. He had performed the ability by destroying the Voodoo Doll. It was also the way to maximize its power.
Alonzo had never planned to keep the Voodoo Doll, even though it was very difficult to make, and he had never made a similar doll over the years.