A possible concise summary is:
The video is about a challenge to solve Rubik's cubes of different sizes, from 1x1 to 13x13, in less than five hours. The speaker shows the process of scrambling and solving each cube, and explains the method he uses for the big ones. He also promotes a store where the cubes can be bought, and encourages the viewers to subscribe and support him. He faces some difficulties and fatigue, but he manages to complete the challenge in 4 hours and 58 minutes. He celebrates his achievement and motivates the viewers to set and achieve their own goals.
Here are some key facts extracted from the text:
1. The speaker is Cubastic, a Rubik's cube enthusiast and YouTuber.
2. The speaker challenges himself to solve Rubik's cubes of different sizes, from 1x1 to 13x13, in a sequential order.
3. The speaker uses a timer to measure how long it takes him to scramble and solve each cube.
4. The speaker explains the method he uses to solve the large cubes, which involves solving the centers, edges and corners in stages.
5. The speaker faces some difficulties such as fatigue, pain, inattention and parity errors.
6. The speaker manages to complete the challenge in less than five hours, which he considers a record and a goal achievement.
7. The speaker promotes TheCubicle store, where he got the cubes from, and asks the viewers to subscribe to his channel and support him in the comments.