If it can help, can you describe when and where in the Arena demo this is happening? I'm going through it with whatever can show me dips in the FPS but nothing is resulting in constant drops to the amount you're experiencing.
Ноутбук из 2017 года выпуска. Обычно когда я скачиваю RPG игры сделан на RPG Maker они нормально работают, Но в данном случае движение очень медленные.
I'm sorry. Hopefully things work out down the line. It'll be a long time before this is done, but I do appreciate the thought of having this translated.