Carrying a load at 50% capacity is one challenge, while at 200%, it is impossible to run or move stealthily; one can only walk normally. As the spearhead, Lin Wu's load couldn't exceed 50%, which is about 18 kilograms (ascending body load has its bonuses), but he had to carry the giant weapon Forest Wolf, ready to confront the threat of the Titan at any time.
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Is the next target the 17th floor? Theoretically, the 17th floor is highly suspect, but for Dawn, reverse analysis must be applied. However, Dawn might also employ reverse analysis. Consequently, they finally decided to head to the 17th floor.
The overall structure of the hotel wasn't cubic; below the 17th floor it was a square. Half of the area on the 17th floor was an outdoor terrace. The floor area of the buildings above the 18th floor was only half of the footprint.