Captain 15's Blood. The sticker's almost peeling off, and that's because of the corrosion!
Captain 15's Blood is.. well, blood. Not only just blood, though. It's the blood of Captain 15! Even though it is only slightly different from the ever so more common Number Captain Poison, it has many different properties; for example, its corrosive properties make it only collectable in sterilized form. It is 12% deadlier than Number Captain Poison and is compatible with such. Due to its dangerous properties, places such as Squadala Empire, Hyrule, and basically everything in the UnWorld has banned it.
History[]
When Captain 15 was created, she immediately went to trying to make herself look "beautiful!!". Due to this, the only thing it did was mix with her her blood (Number Captain Poison) which turned into the substance known as Captain 15's Blood. The makeup still wasn't enough to make a difference though; the poison is only 1.12x more deadlier than Number Captain Poison. However, there was a rumor that you could drink BOTH at the same time, making the process much quicker (supposedly). This stupid ploy killed many; and this incident led to (of course) the ban of Captain 15's Blood.
After the incident, a vial of Captain 15's blood was kept in the Undefeatable Palace and protected beneath a glass layer. Once, Captain 1 tried to steal it and poison Captain 0 once and for all. Though this might have made sense, it didn't. Many evil (or neutral) entities/groups have attempted to steal it, either to boost production of stupid clones or rather to just kill themselves. These entities include:
and more.