In comparison to the usual run-through platform games, this is one of the games that requires more planning to play efficiently.
The game features an inventory and equipment and a spells system, all of which were rare to see in NES games when this game came out.
This is the 4th published version of the TAS, now 00:16.71 seconds faster than the previous version.
The author has written comments describing all the planning and tricks that went into this movie.