What I did is keep on killing it until it asks to join. (If you want to recruit it make sure you hit it last when it faints, not your partner. You can tell your partner to get away while you defeat Zapdos.)
you recruit him by going to electric plateau
How to recruit zapdos in explorers of the sky? First, you need the Secret Slab or Mystery Part in your inventory. Either one works. If you have one of them, Zapdos will appear on the 7th floor of Amp Plains. Its recruit rate is only 10%
It is very unlikely as i tried to recruit kyogre with zapdos as the leader and it took me 6 tries but it does happen
its an expired event
25,and 30 % chanse to recruit him after the credits
zapdos is in amp plains on 7F but you need a mystery part or a secret slab
To get legendary island go to articuno,zapdos or moltres and recruit either one of them. you can recruit them one by one. just walk in circles in the battle field at least 3 times. You can recruit other legendary Pokemon by doing the same thing. Once you recruit zapdos ,articuno or moltres you will automaticly get the friend area legendary island.
first recruit articuno, zapdos, and moltres. go to their friend area they will give you a vertex gem it will give you access to silver trench go through 99 floors of water Pokemon lugia is on next floor defeat him then you exit the dungeon go through it again and you can recruit him
That would be Legendary Island. You get it when you recrit Articuno, Zapdos, or moltres.
u can find ZAPDOS in mt thunder by RESCUING SHRIFTY
30%
You have to beat Zapdos once, then beat him again to recruit him. As you progress, you have to face him