The Emperor had been vague about who his successor should be, the only two obvious biological candidates being too young or mentally incompetent. This resulted in a long period of regency with a weak dual monarchy. This gave the diadochi time to try to consolidate power. Alexander's military brilliance and charisma were difficult for successors to emulate and lacked his grand ambitions. However they still did their best to imitate him to claim as much power and territory as possible. Under the guise of preserving the unity of the empire and the rule of Argead, the successors formed coalitions to oppose anyone who seemed about to take full control of the state, yet in reality they wanted the power for themselves. For many years the Diadochi perpetuated the illusion that they wanted to restore the empire under the Argead dynasty out of loyalty. Many Macedonians maintained great respect for Alexander's family and it was essential to appease these admirers. Only after the diadochi had sufficiently consolidated their power did they assume the title of king in 306 and 305. Military success itself was essential to maintain authority but also to acquire the treasure necessary to buy the soldier's favor and perform grandiose gestures of wealth as parties to demonstrate their power. The successors paid great attention