As time passed, the Grand Elder started to understand the true extents of Gravis' masochism in regards to power. At some point, his body even started writhing, and he began shouting. The fact that such an act was quite humiliating was not nearly important as becoming more powerful.
The Grand Elder felt incredibly uncomfortable for several days until he finally started getting used to Gravis. As far as he saw, it seemed like Gravis was constantly wrestling with death. These shouts were not normal at all.
When Gravis started laughing maniacally due to his rapidly increasing willpower, the Grand Elder gave up trying to understand him. Such a lust for power was definitely not normal. What was the problem with just waiting a couple more years?