RTA Guide/Bowser in the Fire Sea
Bowser in the Fire Sea is located behind Dire, Dire Docks in the basement. 30 stars are needed to access it without the use of a MIPS clip or SBLJ.
Box Room Tutorial
Pole Glitch is a very precise trick where it is important to do dustless movement. You want to maintain Mario's speed the best you can starting from this image.