The Level 10 Evolution Requirement
Kakuna evolves into
Beedrill the exact moment it reaches level 10. You do not need any evolutionary stones, friendship points, or specific times of day to trigger this transformation.
Players typically catch
Weedle at level 2 or 3, evolve it into
Kakuna at level 7, and only need three more levels to reach the final stage. Using the EXP Share or feeding
Kakuna a single Rare Candy instantly bypasses the grinding process.
If you cancel the evolution by pressing the B button during the animation,
Kakuna will attempt to evolve again at every subsequent level-up. Evolving as early as possible is mathematically optimal, as
Kakuna learns zero new moves by leveling up past level 7.
Competitive Verdict: Is Beedrill Worth It?
Base
Beedrill earns a harsh 2/10 rating in competitive play. Its base stat total of 395 is drastically underpowered for mid-to-late game progression, leaving it entirely outclassed by other Bug and Poison-types like
Scolipede or
Venomoth.
Mega
Beedrill, however, earns a 7/10 as a dedicated physical sweeper and offensive pivot in Generation 6 and 7 formats. The Mega Evolution shifts its stats drastically, stripping Special Attack to grant a massive base 150 Attack and 145 Speed, combined with the Adaptability ability.
- Pros: Unresisted U-turn pivoting, a Speed tier that outpaces base 130s, and high-damage Poison Jab to eliminate Fairy-types.
- Cons: Extreme frailty with base 40 HP, heavy vulnerability to Stealth Rock (taking 25% on entry), and completely useless without the Beedrillite mega stone.
Optimal Moveset and Role for Mega Beedrill
When utilizing Mega
Beedrill, the strict optimal role is a hit-and-run pivot. You never want to leave
Beedrill on the field to take a hit. It functions best alongside slow U-turn, Volt Switch, or Teleport users who can absorb damage and bring
Beedrill onto the field safely.
A standard competitive moveset includes U-turn, Poison Jab, Drill Run, and Protect. Protect guarantees a safe Mega Evolution turn in Generation 6, where Mega evolved Pokémon use their base form's Speed stat on the exact turn they transform.
Drill Run provides essential coverage against Steel and Rock-types that naturally resist
Beedrill's dual STAB (Same Type Attack Bonus) attacks. Adaptability boosts U-turn and Poison Jab from a standard 1.5x multiplier to a 2.0x multiplier, making them your primary wall-breaking tools.
Effort Values (EVs) and Nature Selection
Maximizing
Beedrill's offensive presence requires a Jolly nature (+Speed, -Special Attack). Running an Adamant nature (+Attack, -Special Attack) is a trap, as it fails to outspeed critical competitive threats like Mega
Lopunny or Mega
Manectric.
EV distribution is strictly linear: 252 Attack, 252 Speed, and 4 Special Defense. Investing any points into HP or Defense is mathematically useless.
Beedrill's base defensive stats are too low to survive neutral hits regardless of bulk investment.
Disclaimer: Pokedex.me is an unofficial fan-site. Stat calculations, EV spreads, and tier placements are based on community-standard competitive formats and battle simulators.
In-Game Playthrough Utility vs. Nuzlockes
For early-game story progression in Kanto or Johto,
Beedrill provides immediate, cheap power. Evolving at level 10 gives players access to a fully evolved Pokémon before facing the first Gym Leader.
Moves like Twin Needle and Pin Missile easily break through early Psychic and Grass-type trainers. However,
Beedrill's damage output stalls completely by the fourth Gym badge. Enemy trainers begin fielding Pokémon with higher base stat totals, turning
Beedrill into a liability.
Players should permanently box base
Beedrill by the mid-game unless playing a specific ROM hack or generation that supports early Mega Evolution. In Nuzlocke challenges, it serves as a reliable early-game crutch but rarely survives until the Elite Four due to its inability to take physical hits.
EVOLUTION CHAIN
SPRITE GALLERY
Related Pokémon guides
More Bug-Type Strategies
Frequently Asked Questions About Kakuna
Can Kakuna learn any moves before evolving?
Kakuna only learns Harden upon evolving from Weedle at level 7. If caught in the wild, it only knows Harden. It cannot learn TMs, HMs, or egg moves until it evolves into Beedrill at level 10.
Does Kakuna evolve with a Leaf Stone?
No, Kakuna does not require a Leaf Stone or any other evolutionary item. It evolves strictly by reaching level 10 through standard experience gain in battle or by consuming a single Rare Candy.
Why is my Kakuna not evolving at level 10?
If Kakuna holds an Everstone, the evolution sequence is mechanically blocked. Additionally, if you press the B button during the evolution animation, it cancels the process. Remove the Everstone and level it up once more.
Is Beedrill better than Butterfree?
In base forms, Butterfree is generally better for in-game playthroughs due to early access to Sleep Powder and the Compound Eyes ability. Competitively, Mega Beedrill heavily outperforms Butterfree as a top-tier physical pivot.





