Hyacidus

The Hyacidus is one of the functional flora featured in Botania. The Hyacidus will, when supplied with Mana, poison nearby mobs and bring them down to 1 health point.

Do note that Hyaciduss are not found naturally and must be planted by a player.

The tooltip carries a reference to Pokemon, on the fact that Steel Type pokemon are completely immune to any attack of the poison type.

Creation
To create the Hyacidus, the player must throw 1 Mystical Green Petal, 1 Mystical Purple Petal, 1 Mystical Brown Petal, 1 Mystical Magenta Petal, 1 Green Mana Petal, 1 Purple Mana Petal, 1 Magenta Mana Petal, 1 Redstone Root, 1 Rune of Autumn, and 1 Rune of Water into the Petal Apothecary, then they must throw in Seeds and it shall return one Hyacidus.