Invention/Steam Dopant

The Invention Dopant (発明·ドーパント), alternatively named Steam Dopant (蒸気·ドーパント), is an unused Dopant that first revealed by Katsuya Terada's comments in a special page for Futo Detective.

According to Katsuya Terada, this Dopant is the very first Dopant he desigend back in 2008, piror to he finish Magma Dopant. This monster was got cancelled because it is impossible to give it a suit by recent technology. In 2019, Riku Sanjo request Terada to adapt this Dopant's design into Reactor Dopant and finally use it in the manga Futo Detective.