There were many kinds of Assisted Casting.
For instance, if one lacked the ability to construct spell patterns, one could purchase Rune Orbs.
Like seals carved in the Outside World, they only needed to be evenly inked.
If one's control over Magic Power was unstable, one could use a wand for assistance.
It was like writing characters with a brush: if the strokes came out unevenly thick and thin, one could simply use a fountain pen that controlled the flow of ink.
If one wanted to lower the difficulty of casting and speed up spellcasting, one could specifically purchase different auxiliary materials.
If one was useless at everything, one could also use an Enchanted Treasure—in other words, a Secret Treasure—to achieve a spell's effect.
Wizards had developed for so many years that, for any problem one might encounter while casting, as long as one had enough Magic Stones, a solution could be found.
It was just that achieving spell effects through these methods could only temporarily make up for certain shortcomings. They offered no help whatsoever in practicing normal spellcasting.
Because some people had just emerged from Anomaly Space No. 5, quite a few people had flocked over to watch the excitement. As a result, there were not many people on the street selling various Casting Materials.
The stall owners on both sides did not hawk their wares like vendors selling other goods, but that was normal. The people willing to buy these Casting Materials had clear goals; as for those who did not want them, even if they were forced upon them as gifts, they might not be willing to accept.
The Assisted Casting material Arro was looking for was called Flash Powder.
Flash Powder was a Casting Material that assisted the Level Zero Trick, Light Spell. It could