There have been many balance changes in the aoe history and there were also a a lot of situations where one thing(unit/civ/strat) was completely OP.
I will start with: steppe lancers before nerfs
Feel free to share more, I remember when HD came out there were also a lot of things broken.
I will start with: steppe lancers before nerfs
AoE2:DE Steppe Lancers Too Strong?!
A brand new unique unit for AoE2:DE, exclusively trained by the Cumans and Tartars from the stable. This video demonstrated the new unit in a variety of scen...
youtu.be
Feel free to share more, I remember when HD came out there were also a lot of things broken.