Vladimir Stojanovic said:

They can have positive and negative Effects. Among other things: Unit speed, Unit attack or defense, Resource production, Experience Points gained in battles.

5 Buffs and 5 Debuffs = 10 total

This is a violation of agreement. When Plarium made fortress it claimed that level 5 and 8 are protected. No one, never, said that fortress can have negative outcome for players (spec. levels 5 and 8). Some players (including me) spent sapphires to gain something good for league - not bad!

If this isn't fraud how will you call it?