What it does
Earth Eater grants complete immunity to Ground-type moves — not damage reduction, literally zero damage — and heals the holder for 1/4 max HP on every Ground hit. Those two things together are significantly stronger than either one alone.
Here's the number that matters. Orthworm running a max HP spread sits at roughly 177 HP at Lv50. Every time Earthquake would hit it, Earth Eater triggers: 177 × 0.25 ≈ 44 HP recovered. That's a free Sitrus Berry every time the opponent clicks their Ground move. Each turn the opponent spends using Ground coverage, your survival window extends by one more hit.
Ground is one of the most-used offensive types in competitive play. Earthquake hits 100 BP at perfect accuracy and appears on practically every serious physical attacker. Earth Eater's value isn't situational — it scales directly with how many Ground moves the opposing team runs. The stronger the opponent's Ground core, the more you extract per game.
In doubles, the second point is the real headline. Earthquake deals 0.75× damage to every Pokémon on the field, including the user's own partner. That friendly-fire cost is why many doubles teams avoid EQ — the tax is too steep. An Earth Eater holder on the field removes that cost entirely. Your partner fires Earthquake freely; you take zero damage and gain HP. Both sides profit with no drawback.
Who runs it
Orthworm is the primary Earth Eater user in Champions, running the ability at close to 100%. It's a physically bulky Steel-type whose game plan centers on Iron Defense + Body Press as a wincon and Shed Tail to pass a Substitute to the next team member. Earth Eater is structurally necessary here for two reasons:
- Steel's worst weakness is Ground (2× damage). Without Earth Eater, Orthworm's entire wall plan collapses the moment the opponent clicks Earthquake.
- Its best partner is Garchomp, which runs Earthquake at over 90% rate. The two sit side by side in doubles with zero conflict — Garchomp spams EQ freely, Orthworm heals from it.
Remove Earth Eater and Garchomp has to work around Orthworm rather than alongside it. The partnership logic falls apart.
Future archetypes: Any high-bulk Steel or Rock type that doesn't need Ground-type output and wants to pair with a Ground attacker fits the same mold. If a future Ground-immune support or screen-setter with Earth Eater joins the roster, this framework applies directly.
How to use it
Core doubles turn sequence: Lead Orthworm + Garchomp. Turn 1: Garchomp clicks Earthquake, Orthworm clicks Iron Defense. Orthworm recovers ~44 HP; both opponents take 0.75× spread damage. Turn 2: repeat — Orthworm's Defense has doubled, its Body Press output doubles with it. By turn 3, the same Body Press is hitting at effectively 2× the original power while Orthworm has been healing every turn.
The decision point: if the opponent has a Fire-type threat revealed (or you can predict it coming), use Shed Tail after the first Iron Defense stack and switch out. The Substitute eats the incoming Fire move; your next attacker enters protected. If the opponent's entire team has no non-Ground coverage for you, keep stacking — Iron Defense to +4 turns Body Press into a serious nuke.
Singles usage: Against Garchomp or Excadrill, their Ground moves do nothing. Stack Iron Defense freely while recovering HP each turn they attempt Ground coverage. The key read is when the opponent switches strategy — once they stop using Ground and pivot to Fire or Ice, immediately use Shed Tail and exit. Lock in your current health and pass the setup to the next team member. Don't stay when Earth Eater stops providing value.
Item timing with Sitrus Berry: Sitrus triggers when HP drops below 50%; Earth Eater triggers on the Ground hit itself. The sequence: Ground move lands → Earth Eater fires first (zero damage + 25% HP back) → if HP is still below 50% after the heal, Sitrus fires next; if Earth Eater already pushed HP above 50%, Sitrus holds for the next threshold. In practice this means getting hit low early, receiving the Earth Eater heal, then having Sitrus still available as a second recovery layer — two healing triggers off one scenario.
Tips & strategy
At full HP, Earth Eater still wins: The heal caps at max HP, but taking zero damage from a 100 BP move is already a clean outcome. At max HP, every Ground move the opponent clicks is a wasted high-PP attack under Ranked Battles game-length pressure. Over a long match, that PP drain adds up as a real factor.
Common mistake autopsy: The most frequent beginner error is staying in after the opponent adapts. Opponent sees Orthworm, stops clicking Ground moves, and switches to Fire or Ice coverage. Earth Eater does absolutely nothing here — you're sitting in a super-effective weakness for no reason. The fix: the moment the opponent abandons Ground-type moves, use Shed Tail immediately. Preserve the current HP state, pass the Substitute, and bring Orthworm back when Ground coverage reappears. Earth Eater is an active tool for specific matchups, not a universal shield.
How opponents break through:
- Fire and Ice: Flamethrower, Fire Blast, Heat Wave all hit Orthworm's 2× Fire weakness; Earth Eater is irrelevant. Same for Blizzard or Ice Beam targeting the Ice weakness.
- High Horsepower and Stomping Tantrum are still Ground-type. Earth Eater absorbs them exactly the same way as Earthquake — switching to these moves gives the opponent zero benefit.
- Target the other slot: In doubles, Earth Eater only protects the holder. The partner beside Orthworm still takes 0.75× Earthquake. Opponents can shift their targeting to the other side and pressure the non-immune partner instead.
Named exception: any Pokémon that already has Ground immunity (via Levitate, Flying typing, or Air Balloon) gains nothing from Earth Eater — the ability's value is specifically in converting a hit-that-should-hurt into recovery. Putting Earth Eater on a naturally immune Pokémon wastes the ability slot entirely.
Singles vs doubles value gap: In singles, Earth Eater is additive — immunity plus passive recovery, one mon's problem solved. In doubles it's multiplicative: your partner's entire Ground-based offense becomes cost-free, and you heal on every use. That's not just better, it's a qualitatively different level of synergy. Earth Eater in doubles doesn't just protect you — it frees an entire attack strategy.