In Super Smash Bros. Brawl
As a Poké Ball Pokémon
Latias and Latios appear in Super Smash Bros. Brawl as a 2-in-1 Poké Ball Pokémon, marking the first time two different species of Pokémon come out of one Poké Ball.
When summoned, both Latias and Latios scoot off in opposite directions. They zoom back and cross paths using Steel Wing in an X-fashion, similar to Kat & Ana Assist Trophy (However, Kat & Ana cross at the same time, while Latias and Latios cross one at a time). The impact causes heavy damage, and knockback. The winds from their speed pick up and affect items and characters, forming a sort of "vacuum" at their intersections. This can be extremely dangerous for light characters and those with poor recoveries because a player can easily get caught in a "vacuum" and get KO'd off the side or knocked too far way from the stage to recover. They do not harm the person who summoned them. Despite them being very rare in the Pokémon games (running from the player at every opportunity), they are actually quite common in Brawl.
Latias and Latios can be avoided by using a recovery move like Pit's or Snake's to hover around the upper blast line. Since Latias and Latios usually do their attack horizontally, the technique will usually work, but if the player starts to fall, they are likely to get hit.
Each damage Latios / Latias made to an opponent is 10%, depends how many times they're attacking the opponents.
As a Trophy
- Eon Pokémon. There are only female Latias and only male Latios. If they sense the presence of a human or an enemy, they will generally use the light-bending trait of their down coats to make themselves invisible. They use telepathy to speak to companions. They travel in herds, but even so, they are rarely seen. They're a combination of Dragon and Psychic types.
Latias and Latios return as Poké Ball Pokémon for the fourth installment once again using Steel Wing which functions as it did in Brawl.
Latias and Latios are Eon Pokémon. Both are Dragon/Psychic-type Pokémon. The red Latias is female, while the blue Latios is male. By folding in their arms, they can fly faster than fighter jets. They combine speed and teamwork when they cross paths to attack fighters with Steel Wing.
- The crowd does not gasp when Latios and Latias appear, which they do when other Legendary Pokémon are sent out.
- If Olimar's End of Day is activated when Latios or Latias come out of the Poké Ball, they will fly vertically.