In urgent need of a new steward, he sent a message to Casterly Rock, inviting Lord Loren Lannister to join the Small Council to become the new Master of Coin. The death of two his councillors and the state of the crown's treasury left the King burdened, and slowly he began to realize the weight of his crown. Having already paid for the further construction of his royal palace and then having to put what was left of the money to the education of his elder daughter, Aegon found himself lacking the funds required to run the kingdom. The untimely demise of the Master of Coin left the crown's treasury without someone to look after it.
Saying that the death of Lord Harlan Tyrell shook the very foundations of the Red Keep was not an exaggeration.