Mega Greninja sprite

Mega Greninja Counters, Weaknesses & Best Builds — Pokémon Champions

Type: Water / Dark · BST: 630 · Role: Speed Pivot

Mega Greninja is a Water / Dark-type Pokémon in Pokémon Champions that takes super-effective damage from Electric, Grass, Fighting, Bug, Fairy. This guide lists the top 8 counters for Mega Greninja, its defensive matchups, base stats, abilities, best Tera Types, competitive role, and how to beat it in ranked play. The best picks are Venusaur, Mega Venusaur, Beedrill plus 5 more ranked below.

→ Open the PokeCounter tool with Mega Greninja pre-loaded — auto-picks the best Pokémon from your own team.

Mega Greninja is the Mega Evolution of Greninja. It gains a stat boost and sometimes changes type or ability when it Mega Evolves mid-battle in Pokémon Champions.

With a 630 base stat total, Mega Greninja plays as a Speed Pivot. Its highest stat is Speed (142), and at base 142 Speed it sits faster than 98% of the Pokémon Champions roster. Use this profile when building a counter-team: target its lower defensive stat and watch the speed tier for revenge kills.

What counters Mega Greninja in Pokémon Champions?

The top counters are picked using STAB type coverage + defensive safety across the entire Pokémon Champions roster. Click any Pokémon below to open its own counter page.

Top counters vs Mega Greninja

  1. Venusaur (Grass / Poison)
  2. Mega Venusaur (Grass / Poison)
  3. Beedrill (Bug / Poison)
  4. Mega Beedrill (Bug / Poison)
  5. Pikachu (Electric)
  6. Raichu (Electric)
  7. Machamp (Fighting)
  8. Ariados (Bug / Poison)

How each counter beats Mega Greninja

  • Venusaur (Grass / Poison) underspeeds but can still trade Mega Greninja and hits it super-effectively with STAB Grass moves.
  • Mega Venusaur (Grass / Poison) underspeeds but can still trade Mega Greninja and hits it super-effectively with STAB Grass moves.
  • Beedrill (Bug / Poison) underspeeds but can still trade Mega Greninja and hits it super-effectively with STAB Bug moves.
  • Mega Beedrill (Bug / Poison) outspeeds Mega Greninja and hits it super-effectively with STAB Bug moves.
  • Pikachu (Electric) underspeeds but can still trade Mega Greninja and hits it super-effectively with STAB Electric moves.

Mega Greninja weaknesses, resistances & immunities

Weaknesses

  • Electric (×2)
  • Grass (×2)
  • Fighting (×2)
  • Bug (×2)
  • Fairy (×2)

Resistances

  • Fire (×0.5)
  • Water (×0.5)
  • Ice (×0.5)
  • Ghost (×0.5)
  • Dark (×0.5)
  • Steel (×0.5)

Immunities

  • Psychic

Base stats

HP
72
Attack
125
Defense
77
Sp. Attack
133
Sp. Defense
81
Speed
142
Total
630

Best Tera Types for Mega Greninja

The best Tera Types for Mega Greninja cover its main weaknesses or boost its STAB offense. Consider:

  • Water (own STAB — offensive boost)
  • Dark (own STAB — offensive boost)
  • Fire (defensive shift)
  • Electric (defensive shift)

Abilities

  • Protean — [object Object]

Other Water-type Pokémon in Pokémon Champions

Want to explore similar picks? These Water-type Pokémon share matchups and weaknesses with Mega Greninja:

Frequently asked questions about Mega Greninja

What counters Mega Greninja in Pokémon Champions?

The top counters for Mega Greninja are Venusaur, Mega Venusaur, Beedrill, Mega Beedrill, Pikachu. These Pokémon hit Mega Greninja super-effectively with STAB moves and resist (or avoid) its main STAB types, making them reliable picks in Pokémon Champions.

What is Mega Greninja weak to?

Mega Greninja is a Water / Dark-type Pokémon weak to Electric, Grass, Fighting, Bug, Fairy. Bring STAB moves of those types for super-effective damage.

What is the best Pokémon against Mega Greninja?

The single best pick against Mega Greninja in the Pokémon Champions roster is Venusaur, based on STAB type coverage and defensive safety. See the full ranked list above for alternatives.

How do you beat Mega Greninja in Pokémon Champions?

To beat Mega Greninja, lead with a Pokémon that resists its STAB types (Water / Dark) and carries super-effective coverage (Electric, Grass, Fighting, Bug, Fairy). Avoid Pokémon that share Mega Greninja's weaknesses, and use PokeCounter's free counter picker to auto-select the optimal team.

Is Mega Greninja good in Pokémon Champions?

Mega Greninja's viability in Pokémon Champions depends on the Season roster and tier. Check its base stats (630 BST), ability synergies and current usage rates on PokeCounter's live rankings.

Looking for more Pokémon Champions resources? Check the competitive tier list, the live meta rankings, the speed tiers, the full type chart, or the held items guide.