This page explains how to beat Koraidon, the Guardian of Paradise, at the end of Area Zero in Pokémon Scarlet.
After defeating Professor Sada the first time, they will become desperate and send out the second Koraidon.
Best Strategy for Koraidon, the Guardian of Paradise
When the opportunity arises, select “Pokémon” from the menu and go all the way down to the only Pokémon you can use: Koraidon!
Encouraged by you and your friends, your Koraidon will transform into its battle form. Now the fight can properly begin!
At the start of the fight, the opposing Koraidon’s Orichalcum Pulse ability will trigger, causing harsh sunlight. This sunlight will boost the Attack of the opposing Koraidon and your own Koraidon.
You’ll notice that Collision Course will take off around 1/10 of the opponent’s health. It’s not a lot, but it’s something. Keep spamming Collision Course for now.
When hit by , you’ll drop to 1 HP. However, on the next turn, your Koraidon’s Attack will rise by 2 stages and the opposing Koraidon will be immobile. If you didn’t use Collision Course during every turn, use a or to heal. Otherwise, skip healing and use Collision Course for the last time.
The next turn, your will gain energy and all of your Koraidon’s stats will increase. Now Terastallize your Koraidon and pick ! Your Koraidon should outspeed its opponent and KO it with the Tera-boosted, super-effective damage. Note that if you didn’t use Collision Course the full 5 times, you may be shy of a KO.
After the Fight
Triumph against the Guardian of Paradise and the curtains will close on the story. After the credits roll, you’ll return to your room in the academy, ready for postgame adventures!