The Mini-Hakkero is a magical furnace currently possessed by Marisa Kirisame. The mini-hakkero was given to her by Rinnosuke Morichika in Curiosities of Lotus Asia. It's not an actual weapon though.
Powers and Stats
Tier: High 4-C
Name: Mini-Hakkero, Magical Reactor
Origin: Touhou Project
Classification: Ampilifcator, Magical Reactor, Furnace
Wielders: Marisa Kirisame
Speed: Massively FTL+ (Despite Marisa claiming its lasers to be light speed, they have shown to be as fast as most top tier characters)
Range: At least Tens of Meters with Danmaku (Its firing range should be comparable to Sakuya's, who can throw knives at least 36 meters), Planetary with Master Spark (Marisa commented that her laser would "turn up a few heads on the Earth" when it was reflected by Yorihime on the Moon towards the Earth) to Interplanetary with Magic Space "Asteroid Belt" (This spell card can pull away two large planets).
Weaknesses: Massive recoil, need several seconds to charge
- Love Sign "Master Spark": Marisa's signature attack, a giant magical laser fired from the palms of her hands and powered by the Mini-Hakkero. Its power is known to be enough to turn a mountain into ash.