Join the club of refugees from the said server xD; heRO has no donation gears (well Donator Laurel but it's mainly decorative and aesthetic only) and will definitely provide what seems to be a much needed challenge that you are hoping for. Competitive WoE regardless of the small population relative to said server along with intense and high amount of custom quests will keep anyone from ever saying heRO is easy to be dominated.
On top of that, GMs are actually visible and easy to find as well unlike some "other" places... I mean, we actually got events