The Healer is used in Pixelmon to fully heal all Pokémon in a player's party. It can be used by right-clicking it. Once a Healer is placed, it cannot be retrieved; while it can be broken faster with a pickaxe, it will not drop anything regardless. The Silk Touch enchantment has no effect on Healers.
Healers can be found in Pokémon Centers. They can also be crafted, but are quite expensive to craft. To craft a Healer, the following ingredients are needed: four Aluminum Plates, four Iron Ingots, one Diamond.
There are alternate ways to heal Pokémon if a Healer is inaccessible or inconvenient, like during travel or in battle.
Note: Putting Pokémon in the PC does not heal them, unlike in the Pokémon games.