
N°0577 · Generation 5
Solosis
It is said that the curious fluid surrounding this Pokémon's body allows it to survive in outer space.
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Characteristics
- Height:
- 0.30
- Weight:
- 1.00
Base stats
Total: 290Combat strengths and weaknesses
Damage multiplier taken by Solosis depending on the attacking move's type. ×2 and ×4 are the attacks to avoid.
Resistances - weak attacks


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Detailed information
Overview of Nucleos
Nucleos is a Pokémon of the Psychic type introduced in the fifth generation. Its English name is Solosis and its Japanese name is ユニラン. This Pokémon is recognizable by its cell-like appearance surrounded by a gelatinous liquid, which perfectly reflects its biological concept. Nucleos is the base form of the evolutionary line that leads to Meios and then to Symbios. In the Pokédex, Nucleos is described as a fragile Pokémon endowed with powerful psychic abilities, making it an interesting choice for players who enjoy strategies based on special attacks.
Nucleos primarily appears in Pokémon Black and White, where it is available in certain specific areas of Unova. Its catch rate is decent for a base-stage Pokémon, allowing it to be added fairly early to a team focused on special combat. Despite its weak defensive stats, Nucleos can surprise thanks to the quality of its Psychic attacks and its evolution potential.
Base Stats and Battle Profile
Nucleos's base stats clearly emphasize Special Attack. Its HP is low, as is its Defense and Special Defense, making it vulnerable to physical damage and fast attacks. On the other hand, its Special Attack stat is very high for a Pokémon at this level, allowing it to deal significant damage in battle, especially against opponents weak to the Psychic type.
In battle, Nucleos must be used with care. It is recommended to place it in an offensive position, taking advantage of a safe switch or team support. Its modest Speed often requires anticipating the opponent's moves. In Pokémon GO, Nucleos is mainly sought for completing the Pokédex and preparing its evolution, though its effectiveness in raids remains limited due to its fragility.
Available Moves and Abilities
Nucleos has a set of effective Psychic moves from its early levels. It naturally learns attacks such as Confusion and Psyshock, which make full use of its special power. These moves are ideal for dealing consistent damage while remaining reliable in terms of accuracy. As it levels up, Nucleos can also learn more technical control- or support-oriented abilities.
Through TMs and HMs, Nucleos can broaden its movepool with Ghost-type attacks or utility moves. This variety allows it to adapt to several battle styles, even if its primary role remains offensive. Experienced players particularly appreciate its ability to threaten opposing Pokémon quickly before evolving into a more resilient form.
Evolution and Strategic Value
Nucleos evolves into Meios at a certain level, which represents a clear improvement in its overall stats, particularly in HP and Defense. This evolution reinforces its viability in battle and paves the way to Symbios, the final form of the line. Evolution is therefore a key objective for players wishing to fully exploit its Psychic potential.
Even in its base form, Nucleos offers a preview of its line's play style. It is particularly appreciated in teams based on special attacks and battle rhythm control. Although it is not designed to take hits, its damage potential and its progression make it an interesting Pokémon to train for the long term, both for the Pokédex and for strategic battles.



