Although the exact strength is unknown, but Super Grand King's attack seems to be enough to force the Ultra Warrior to split.
After a long while, the idea of coexistence was floated around and settled on.
In his human form of Gai Kurenai, he was able to utilize Ultraman's power in a smaller range by reflecting an incoming attack, having first used to counter Alien Zetton Maddock.
These parent companies also had all final say on anything regarding the shows and the direction they went in.
Said mineral itself is the main weakness of Alien Baltan, one of the adversaries of Ultraman, and is frequently used to defeat other monsters-of-the-week.
For the first time in two years, the Ultra series had returned in a large fashion to the public conscious.