You don't kill him (like you do to Hydra) -- you just put him to sleep.
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You will need a reed pipe (Flute) and a song from the Temple of the Muses. Playing the short song will lull the monster dog to sleep. (the song is blue-green-yellow-blue-red-green)
When you enter the realm of Hades from his temple, you will ride the River Styx to Hades domain. When you meet Cerberus, play the song (blue-green-yellow-blue-red-green) and you can take a whisker when he falls asleep.
the cerberus is a 3 headed dog on mythology island on poptropica
To get to Cerberus you have to cross the river Styx.
Collect the rest of the 5 sacred items and return them to the Tree of Immortality.
blue,green,yellow,blue,red,green.
the colors are: blue-green-yellow-blue-red-green.this will put cerberus to sleep so you can get the whisker.
Cerberus is apart of the Greek mythology.
Blue, green, yellow, blue, red, green.
To get the whisker from cerberus on mythology, you have to play the pipe tune that you get from euterpre, the master of music, in the grove of temples. He will fall asleep so you can get it. This is for the mythology island .
To open the door, when at the minator, jump up and find a pomegranite tree. Jump so that you hit the pomegranites and you offer them to Cerberus
Cerberus is in the underworld. You get to him by going on the boat ride across the river. But you have to watch out because if you fall in you have to start all over again.
Get a reed pipe from the temple of Apollo and click on one of the statues there to learn a song. Then play the song to cerberus and click on him.
Play the song one of the Muses gave you and pull one out when hes asleep.