With the artifacts of Kanto you can get :
Power supply , for Zapdos..use the power supply near the power plant (windy area bottom left , in normal pokemon zone )
Flame of Moltres , for Moltres (obviously) use the flame of moltres on the lava with the 4 fire columns , bottom right (near the end of fire pokemon zone)
Icy feather : for Articuno , use the Icy Feather on the waterfall , top left of the map (near the end of the water pokemon zone )
Mew's tory : for Mew , use Mew's Toy in the night on the top right of the map , where is a gate which opens only at dusk..go there at dusk and use it..
Mew's Dna : for Mewtwo , use Mew's Dna at the top of the map , when you are close to the laboratory , mewtwo will come out...
With the artifacts of Johto:
Flaming dog whistle : for Entei (entei means flame emperor in japanese
) use the flaming dog whistle at the crater found at the top of the fire pokemon zone.
Wet dog whistle : for Suicune (this is also japanese, don't know what it means though , something with water) use the wet dog whistle at the obelisk found in the middle of water pokemon area
Charged dog whistle : for Raikou ( same goes for this
) use the charged dog whistle at the tip of the arrow in the electric pokemon area..the arrow is found right above the end of the map , noot right nor left , in the middle..
Silver feather : for lugia , go to the cave in the water pokemon area , reach the end , there's a different terrain , use it there.
Shiny rainbow feather : for Ho-Oh (this one's really powerful) go to the flaming tower on the right , turn left at the 2 turns , move ahead a bit , you'll find 2 fire torches , use it between them..
with the artifacts of Hoenn:
Ancient Tablet : for Regirock , Registeel , Regiice . between the psychic pokemon area and the grass pokemon area , there is a cave entrance of 4 rocks..go in there..you will find 3 circles of power..right is registeel , top is regirock , left is regiice choose a circle , step inside it and use the Ancient tablet...
Red orb : for Groudon , on the right side of the map , below the grass pokemon area and above the fire pokemon area , there is a cave blocked by rocks..break the rocks go in , move forward and you will find some lava terrain..use the red orb there
Blue orb : For Kyogre , this is the hardest one to get, below Lugia's cave , there is an entrance although it does not look like an entrance , just walk through the shallow waters and you will teleport somewhere else , there , go a bit far from the lever on the rocks , and left-click it . you will be transported across . next to another lever . then move on..you will find a watery area , like a pond , use the blue orb there..to go back , stand close to the lever and left-click it . you will be transported back where you came from..then just go back.
Meteor Fragment : for Deoxys , go next to the power plant* in the windy area and use the meteor fragment , deoxys will come (*read how to get zapdos to find where the power plant is)
With the artifacts of Sinnoh:
Most times these artifacts will drop other artifacts of other regions , but when they don't , they drop the items needed for the rarest legendaries in the game.
Strange Egg : for Manaphy , go to the pond with the black spots , above the north poke-ball shop , get in the pond , and use the strange egg . manaphy will come
Dimensional distortion : for Giratina , go above the normal pokemon area and below the water pokemon area , there's a cave entrance. go in , don't enter the portal , head straight ahead and you will find a different terrain , use the Dimensional Disortion there .
Glowing molten rock : for Heatran , go to the cave in the fire area , left of the place where you can find Moltres . enter the cave , go right , use the glowing molten rock on the lava there . Heatran will spawn .
Shard of the New moon : for Darkrai , go bottom left , near to that tomb-like crypt (when you get close your pokemon will be put to sleep for awhile automatically , that's due to the presence of Darkrai..) get to the steps of that crypt and use Shard of the new moon . Darkrai will come .
Tribute to the gods : for Arceus (which is considered the god and creator of all Pokemon world , in this version though , i don't believe it lives up to it's name..although it's pretty good.. )so , go to the big temple below the south poke-ball shop . enter the temple , go straight ahead , and you will find 6 or 7 portals the one next to the other . don't try to enter the portals , just stand infront of the middle one , and use the Tribute to the gods . Arceus will come...
Now the two specials :
Celebi and Regigigas
Celebi : Destroy the two trees raging in the grass pokemon area , celebi will come ,it's a tough one , so be careful .
Regigigas : Gather all 3 Regies (registeel , regiice , regirock ) and enter the cave found right of the waterfall in the water pokemon area . move ahead and you will find a big giant . the 3 regies will be turned into 1 , Regigigas . this guy is the best tank in the game , really something you can depend on to put first in the final battle .
