tagalog/filipino language is forbidden in this section of the forum
use english or german here
go to the philippine section to freely speak tagalog/filipino
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to answer your question
yes you can use cheats in berkas lair
and no you cant get banned using a cheat in berkas if you're alone, as long as you use the cheat with more than the average time to finish the dungeon(7-10mins to avoid detection)