Purifying Shadow Pokémon is a time-consuming process, but there are ways to make it more efficient:
- Walk, Walk, Walk: Simply having a Shadow Pokémon in your party and walking around reduces its Heart Gauge. The more steps you take, the faster it goes.
- Battle Actively: Using a Shadow Pokémon in battle, even if just for one turn, contributes to purification. The more battles it participates in, the better.
- Hyper Mode & Call: When a Shadow Pokémon enters 'Hyper Mode' (indicated by a purple aura and a message), use the 'Call' command in battle. This snaps them out of Hyper Mode and significantly reduces their Heart Gauge. Be careful, as Hyper Mode can cause them to disobey or attack their partner.
- Agate Village Massage: The old woman in Agate Village offers massages that greatly reduce a Shadow Pokémon's Heart Gauge. This is a daily activity, so visit her often.
- Cologne Case: Once you obtain the Cologne Case in Agate Village, you can use various scents (purchased from the shop) to further reduce the Heart Gauge. Different scents have different effects and costs. Use the most effective ones for stubborn Pokémon.
- Relic Stone: The Relic Stone in Relic Forest can be used to purify a Shadow Pokémon instantly once its Heart Gauge is completely empty. This is the final step of purification.
Prioritize purifying Pokémon you plan to use in your main team first, as purified Pokémon can level up and learn new moves.
While the mechanical grind of lowering Heart Gauges in Colosseum requires physical movement, Pokemon TCG Live offers a similar sense of progression through its digital daily quest rewards.