Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
You don't! However, you can obtain one in Fire Red/Leaf Green and transfer that over. You will need to get through a large portion of Diamond/Pearl's main quest before unlocking this feature.