Finnish has 16, Estonian 14. Though most inflections can be derived via suffixes from about 4 of them (3 singular, 1 plural), What's probably complicated is when to use the correct form.
01.Arctos - Sons Of Death 02.Arctos - Altar Of Nihil 03.Arctos - A Spire, Silent (The Passage I) 04.Sinira - The Altar Ov Blackened Oracles 05.Sinira - Dawnless Twilight 06.Sinira - The Somberlain [Dissection cover]