I played LA Ermor in starfall and even though the game ended turn 60'ish, there was a problem with the unit limit. None of the summon allies worked on the elemental kings and queens. Wether anyone got there summons largely depended on how many of my undead died.
I am really surprised the megagame lasted this long without reaching the unit limit.
If there is any future megagame you probably need to ban La Ermor. Possibly consider banning La Ryleh, plus Ea and Ma Pan (or at least not letting them take turmoil 3 luck 3) but they are no where near as bad as a runaway La Ermor.
Oh yea, well done to everyone who made it too the end btw...