Sika was hardly bothered. She did not like doing brainwork much, unless it was something that concerned Saleen.
In many instances, petty shrewdness had no effect on people with laid-back, casual personalities like Sika. Jalin's provocation was entirely useless. The only way to truly go against Sika was through the fist. But Jalin's fist was hardly the size of Sika's.
Energy degeneration concerned magic arrays. Any magic array, however perfect, inevitably suffered energy degeneration problems, even those imbued with energy balancing rules. Most of the time, it was not the problem of the magic arrays themselves, but the surroundings they found themselves in, where the flow of elemental energy was not permissible.
After being around for tens of thousands of years, it was inevitable for the internal puppets to suffer energy degeneration.
Principle of Crystal Coffin was a theory concerning powers of planes.