The destruction caused by the invasion of otherworldly monsters that poured out of the gate in mere hours had caused the countries to be infested by chaos. People regardless of their status ran amok to protect themselves from monsters which in some cases might prove futile.
Three weeks ago, the Empire proposed a plan to the entire world, a plan to work together in order to clear the state of dungeons. It is no news that most of the strongest heroes are found in the two elven countries. Driamwen and Faleron, the latter was out of bounds to any creature especially human and was hostile to the rest of the world while the former allowed other races but under strict guidance.
The reason why the elves suddenly went private centuries ago was unknown to the rest of the world. History read to middle school kids in Therut says to all that elves and every other race lived in harmony and unity until five hundred years ago.