|First appearance||Franz Hopper|
|Channeled through|| Tessen fans|
|"Whoa! Moving darts! Cool!"|
–Odd's comment his modified laser arrows capabilities.
With these noticeable modifications, even one of Odd's arrows was capable of automatically honing in monsters and destroying about two or four Creepers all at once from a distance.
Yumi's Tessen fans were capable of honing in on monsters as well, and were able to strike unexpectedly at different angles each time they were thrown. Also, they were more attracted to lasers, which made them act more effective as makeshift shields than ever before.
After the false Franz Hopper was revealed by Jeremie, these modifications and upgrades was lost to them, and wwere never explained to Jeremie by either Yumi or Odd.
- In the video games, this upgrade lets the user control Yumi's fans by having them lock onto monsters; unlike Odd's laser arrows or Aelita's energy fields.