The Poe Boy uses simple ingredients and is among the safest recipes. The name, that probably derives from a simplification of “Poor Boy”.
It has the advantage of not needing additional Ether compared to the one already contained in the Collodio. The disadvantage, however, is that it takes about 15 days to “mature” and become operational. It also has a relatively short life of about a month so it requires careful planning of the shootings to avoid staying dry of the main ingredient.