Appendix:User142 Ruby walkthrough/Introduction
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Pokémon Types
In the Red/Blue Pokémon games, one of the basic ideas is that there is no universally best Pokémon. As part of this idea, each Pokémon has one or two types, and each move has a type. Every move would effect most Pokémon the normal amount, but some types would be "weak" to it, i.e it would do twice the amount of damage, and other types would be "resistant" to it, i.e the move would only do half the damage. Note that if the move is strong enough, even half of it can be very powerful. Then a few types were "immune" to specific types, i.e moves of that type wouldn't damage them.
If a Pokémon has two types, things get more complicated. What happens is that each type is effected seperately by the move, and the results are multiplied. So if one type is effected normally by the move, ignore it. If one type is immune to the move, ignore the other one. If both types are weak, the move does 4 times the damage. If both types are resistant, the move does a quarter damage. And if one type is weak and the other is resistant, they cancel each other and the Pokémon is effected normally.
Note that all what was stated above refers to the type of move used, not the Pokémon using it. A Dragonite using an Electric move on an Aerodactyl would do double damage, regardless of the fact that Dragonite isn't Electric.
Since Red/Blue/Yellow, there have been a few changes made. Magnemite and Magneton became Electric/Steel, a few Normal moves got other types, and there were a few changes made to the type-matching information.
Pokémon Battles
A one-on-one Pokémon battle is done in the following way:
1) Each side sends out his/her first Pokémon (based on the order in the lineup).
2) In each round, each player does one of the following things:
- a) Uses one of the Pokémon's attacks. (Not all effect the opponent, but they are called attacks in this walkthrough).
- b) Use an item on the Pokémon. This can't be done in battles between Gameboys.
- c) Switch Pokémon.
- Once both players indicate what they want to do, the two actions take place in the following order:
- a) The move Pursuit precedes switching Pokémon; However, if used against aa move, speed is figured the normal way.
- b) Switching Pokémon and using items.
- c) Attacks.
- If both players attack in the same turn, the faster Pokémon goes first. (Some moves, such as Quick Attack, will always go first; Others, such as Vital Throw, always go last.)
3) If a Pokémon looses the end of its HP, it is knocked out. If the owner has an other Pokémon, he/she puts it out and the next round starts.
4) The winner is the player who knocksa out his/her opponent's last Pokémon.
Battles against wild Pokémon are the same, except that you can try to escape the battle. If you fail, the wild Pokémon gets a free hit on you. In addition, a wild Pokémon doesn't have any more Pokémon, or items it can use.
If you beat a single Pokémon, every Pokémon who was up against it and wasn't knocked out gains experience. The experience itself isn't relevant, but the Pokémon advance levels when they get a certain amount of experience. (The amount depends on the level and the Pokémon.)
When you win against a trainer, he/she gives you money for winning. If your last Pokémon faints, you lose half your money and wake up at the last Pokémon Center with all of them healed.
Choosing your starter
As in all versions of Pokémon except for Yellow, you have a choise between a Fire-type Pokémon (in this case, Torchic), a Water-type Pokémon (Mudkip) and a Grass-type Pokémon (Treecko). Here are some things you should consider:
1) The first gym: Like in Red/Blue/Yellow, the first Gym is a Rock-type gym. This gym has mostly Geodudes, which are double-weak to Grass and Water, and are single-resistant to Fire moves.
- This is less important than in Red/Blue and their re-makes Fire-Red and Leaf-Green, because;
- a) You can catch Seedot and Shroomish, which are Grass type Pokémon.
- b) You can also catch Wingull, a Water-Flying Pokémon. (Be careful - Wingull is weak to Rock moves.)
- c) At level 16, Torchic evolves into Combusken, a Fire/Fighting type Pokémon with a Fighting move called Double Kick.
- d) You can catch a Pokémon called Ralts who learns a Psychic move early on, which allows you to do a regular amount of damage to Rocks.
2) The second gym: This gym is a Fighting gym, and so it is weak to Flying and Psychic. One of the Pokémon here is Meditite, who isn't weak to Psychic because of its other type. Torchic learns Peck early on.
- However, here again Wingull can deal with the situation using Wing Attack.
3) Availability of similar Pokémon: Torchic is the only Fire Pokémon you can get until after the third gym. You can, however, get several Grass Pokémon early on - Shroomish, Seedot and Oddish; and Water Pokémon - Wingull, Tentacool and Goldeen.
4) Training up: Treecko can be trained up on water you fish up, or on Geodudes; later on, you will be doing most of your training in the water.
- Mudkip is very good in the caves, but a lot of your training won't be in caves.
- Torchic will be aesy at first, but once you're surfing most of the time, Combusken/Blaziken won't be easy to train up, since it will be weak to the Water Pokémon everywhere.
When to evolve
As soon as possible, except:
- If that Pokémon learns a move later if it evolves than if it doesn't, and you want to learn it earlier. Example: Whismur learns Stomp at Level 25; Loudred learns it at level 29.
- If that Pokémon won't learn the move at all if it evolves immediately. Example: Nincada learns False Swipe at level 25, but Ninjask/Shedinja don't learn it.
- Note that you may miss other moves by doing this.
- If you will want it for using against a type which it becomes less good against. Example: evolving a Shroomish into a Breloom before fighting against a Kadabra.
- Note that some times, the raising of stats makes up for this. For example, if you are going to fight a Geodude with a Surskit, better evolve it first since its HP is raised by 75% and its defense is raised by almost 100%, making it able to take 3 times the amount of attack force, while the type matching only reduces it by 2.
- If you will want to use a move of the old type. Example: evolving an Azurill into a Marill before using a normal move.
- Note that some times, the attack (physical or special) is raised by more than 50%, making this not as good. Example: evolving a Swablu into an Altaria before using a normal move.
- Sometimes, it may be a good idea to delay the evolution due to the abilities of the Pokémon. Example: delay evolving Vigoroth into Slaking.
Other than the cases mentioned above, you want to evolve the Pokémon as soon as possible.

