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Find the map: Track the creatures from other times
Send the creatures from other times back to their time
This fight can be done with a team. You must defeat 3 waves of various monsters that come from different areas of the game. These monsters are very dangerous, and this fight in general can be very difficult. It is suggested that you bring a full team of 8 level 200 characters, however it is still possible with as few as 4 level 200 characters. There is a Snowdew, a Bashillus and a powerful Lenald that can deal enormous damage, just to name a few. With the presence of the Bashillus there will indeed be a Malamoeba for you to deal with, but it will only protect the Bashillus. Rogues can be very useful in this fight by using their bomb lines to damage other monsters while you deal with the Malamoeba directly.