After a few minutes of thinking of another new move, Chikyu finally came up with one.
Its name was pending for now, but the idea was that he basically turned the environment into a calamity zone for his enemy.
(Imagine Wonder Of U, but as a quirk move. Just without the whole "increase in intensity the closer you get to him" part)
Spikes would erupt from under them, the ground would rumble and crack open, the ground would liquefy and solidify, stones would be thrown up into the air and home after them. In short, the surrounding area would become Chikyu's weapon.
The thing about this move was that it would be better described as a combination of multiple moves that he already knew being performed simultaneously rather than separately. So he already had the basis for the move, he just needed to practice using multiple attacks at once.
Knowing that it would be very dangerous to do this with Kota in the area, he opted to increase the area of their training ground. Taking psychic hold of the soil underneath several trees around them, he punched into the air, the trees shortly after being blasted out from the roots. The power of the blast completely shattered the trees into tiny pieces of wood, so there was no need to worry about taking the remaining trees somewhere else.
Kota stopped his exercises for several seconds before getting right back to it. He had already been surprised today in the same training session, so it was a little less shocking this second time.
Finally having enough area so that he wouldn't have to worry about Kota while training, he got to work.
He started off by raising several sharp spikes from the ground, each spike aimed towards specific areas as if he was attempting to capture someone with them. While he did that. he simultaneously made parts of the ground crack in areas where someone might choose to try and run to in order to escape the spikes. Additionally, he was liquefying and resolidifying other areas that enemies could potentially run towards other than the cracked areas, trying to get the liquefied ground to still look similar to the regular ground around it, since he wanted it to effectively be a mine. Lastly, he levitated several rocks into the air and made them fly across the area of effect as fast as he could make them, which was almost as fast as a bullet.
He didn't achieve this on his first try. Nor his second, or his third. It took him 12 attempts to do things this well. Even then, it obviously still wasn't perfect, but he had an entire week to better it, so he wasn't worried.
Around the same time he finished, Kota did as well. Both brothers exhausted, they decided that they had done enough for today and started to go back home.
Day 1 of training for the sports festival, completed.
(Don't worry, I won't have like 20 parts for the training. I'll only do the days where really important stuff happens, and after that, I'll time skip to the sports festival.)
(Also, thinking of making Chikyu's main style of fighting be boxing. I think it'd suit him. However, he will have LOTS of different styles, boxing will just be his go-to.)