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Damage multipliers this Pokemon takes from each attacking type (based on the current form).
Damage multipliers of this Pokemon's same-type (STAB) moves against each defending type.
Based on real ladder matchup statistics and expert community assessments (data snapshot 2026-05)
Mega Meganium sits at 4.26% usage at the 1760 rating bracket (rank 41), with 6.06% across all ratings, placing it solidly in the A- tier on Smogon and A on GameWith. Its Mega Sol ability makes it a primary sun setter and attacker: Weather Ball and Solar Beam combine for strong coverage under sunlight, while Dazzling Gleam adds a key third coverage slot. Top players specifically cite its value against Primarina and Kingambit—two threats that trouble sandstorm cores—cementing its role as a versatile Mega slot.
Playstyle：The standard set runs Modest nature, max Sp. Atk with Speed or HP creep, holding Meganiumite. The main four moves are Weather Ball, Solar Beam, Dazzling Gleam, and Earth Power for Steel coverage. Mega Sol auto-triggers sun, turning Weather Ball into a high-power Fire move and removing Solar Beam's charge turn. High-ladder commentary notes it comes in against Gyarados-Mega, Umbreon, and bulky Incineroar builds, cycling with Corviknight's U-turn or a Choice Scarf partner. In dual-Mega teams, its complementary win conditions vs. Glimmora-Mega's coverage gaps are explicitly highlighted by builders.
Mega Meganium reaches 2.29% usage at 1760 in doubles (rank 47) and 4.89% across all ratings, making it a recognizable if not dominant doubles pick. Its doubles win rate of 48.7% is near neutral. No tournament appearances recorded, suggesting its doubles usage is primarily ladder-oriented. Protect appears in 23% of its doubles movesets, confirming it has adapted to the doubles pace alongside sun partners like Basculegion and Pelipper.
Playstyle：The doubles set mirrors the singles build: Modest, max Sp. Atk, Meganiumite, with Solar Beam, Weather Ball, Dazzling Gleam, and Protect. Mega Sol activates sun on Mega evolution, immediately enabling high-damage Weather Ball (Fire) and instant Solar Beam. Protect (23%) is a doubles staple to scout and survive priority. Top teammates are Basculegion (11.1%), Pelipper (7.9%), and Archaludon (7%), suggesting both sun-rain hybrid weather teams and electric-terrain synergy builds. Timid max Speed sets (4.6%) exist to ensure Speed ties or outpace specific threats.
Meganium sits at 0.01% usage in the 1760 rating bracket (rank 229), and just 0.02% overall, marking it as a fringe pick at best. With only middling base stats (Speed 80, Sp. Def 100) and a support-oriented movepool, it lacks both the offensive burst and the unique niche needed to carve consistent value in the six-pick-three singles format. Occasional use by high-ladder players focuses on niche disruption against common mons like Primarina and Garchomp, but it appears just 5 times in ladder top-300 squads.
Playstyle：The few Meganium builds that appear run a defensive pivot set: Leftovers (55% share), with Leech Seed, Reflect, Light Screen, and Knock Off as the main moves, most running Careful nature with max HP and Sp. Def investment. Commentary describes it as pressuring the format's bulky mons and common non-Mega slots via Leech Seed cycle rather than Synthesis, forcing switches and whittling HP while a Choice Scarf partner handles offensive coverage. It is inherently reliant on team support and cannot generate pressure independently.
Meganium has zero recorded usage in doubles (the data pack's double field is null). Its pure Grass typing brings numerous weaknesses and minimal offensive coverage in the doubles meta. With Speed 80 it cannot function as a fast support pivot, and its movepool lacks the doubles-specific utility (Tailwind, Fake Tears, Follow Me, etc.) needed to justify a slot in a four-mon team. It is wholly unfit for the doubles format.