 Also sent to reinforce the defenses and established his ammunition dump.The various garrisons that had been left in the conquered places had driven down the number of the Spanish army, so that Spinola decided quartered in Oppenheim, and requested reinforcements to Archduke Albert in Brussels.On 25 September, there was a council of the principal officers of the Spanish army, and that day it was learned that the Protestant cavalry were preparing an attack on their barracks.