Defeat Blaine. When you come outside his gym, Bill comes and tells you he got invited to One Island by his friend Celio and asks if you want to come with him and you get on a boat to One Island.
Give it to celio in 1 island
Icefall cave is on 1 island or 3 island sorry i dont know exactley
you need 2 beat the Pokemon league and have 60 Pokemon enteries on your pokedex. then you go to professor oak and he will say crap that's not important. then go talk to celio in 1 island and get the ruby at mt ember. take it back and he gives you a pass to islands 4-7.
When you go to Cinnabar island (after you have gotten surf) defeat the gym leader there then walk out of the Gym, Bill will walk up to you and ask you if you want to go to some islands on a boat. Say yes and bingo you can get to island 1-2-3.
Type your answer here... you have to beat cinnabar gym and go out and then bill will ask you if you want to accompany him on on his trip or something ,then he'll ask if you want to go now or wait. if you choose go now you'll go there right then ,if you say later you can find him in the cinnabar Pokemon center
in 1 island Pokemon center
The Pokemon day care for Pokemon Leafgreen/Firered is on island 4. You have to beat the elite 4 and get the machine on island 1 working to go there.
1 island
beat the gym leader at Cinnabar island(the place with the Pokemon mansion)Bill will be outside and he will tell u if u what to go to 1 island (yet its 1 island u can also go to 2 and 3 island) say no because u cant change your Pokemon on 1, 2 and 3 island but u can heal them:) !!!!!!!!!!!!!!!
go to island 1 go the the bottom walk right and surf north then you reach kinder road
you must defeat blaine first then after you defeat blaine you get outside of the gym and then you will see bill talk to him and there you go you can now go to the one island...
on island 1, in the pokecenter. u can get to island 1 by acheiving the rainbow pass
Give it to celio in 1 island
You get the HM rock smash and teach it to one of your Pokemon. You get it on island 1.
Go to island 1 and surf at the right of the town go up and follow the route. Then go through the volcano and you will come out in front of moltres
you go back to 1 island and than you go in the Pokemon center en than you go talk wit the guy by the big machine
After beating the league go island 1 and go to ceilio. Talk to him and he'll give you the rainbow pass. it lets you go to the sevii islands.