Finally, with the help of all the elders and all the Warriors present in the research room, they were able to finish the complete technique. Currently, everyone is resting and to finish the technique they almost exhaust their full mental energy.
Naturally, even the president gets exhausted from helping in that process. So all of them are currently resting. On the other hand, Sam already went back to the human Kingdom and he is fully focused on his cultivation to liquefy The Spiritual energy.
You already decided that two days later he will go to the Oni Kingdom. Well, he could just go to Oni Kingdom tomorrow but the president already told him that tomorrow will be a celebration held in the headquarters because they were successfully able to create the technique.