Harvey Daley is extremely competitive and strives to become the best at every task he is given. The benefit of this cutthroat approach to life and work is that he will always give 100%, pushing himself to his physical or mental limits to overcome any task. However, Harvey Daley’s overzealous ambition makes him insufferable to all but the most patient of companions, making it difficult to make friends while he either proves successful or utterly fails at being the best.

When Harvey Daley does things, he makes sure everything is done correctly, no matter how long it takes. This means there are frequent delays in Harvey Daley's work, but it's usually done right, at least.

All who gain power are afraid to lose it, and Harvey Daley is no exception. Some use their power for good, some for evil; Harvey Daley, however, knows that these are just points of view. He is on a quest for greater power, and uses all his skills and abilities to ensure his supremacy, regardless of the consequences.

Despite his line of work, Harvey Daley still sees himself as a refined gentleman and will often put on a show of being haughty and arrogant to those he does not know. Harvey Daley only lets the mask slip to show his more laid back nature to those he trusts. To those he dislikes, he will actually become even more insufferable as taunts and quips without any regard for who or what he might be offending.

While Harvey Daley avoids combat whenever possible, he has no qualms working with technology under the stress and pressure of combat. Harvey Daley has trained himself to keep calm and focus intently on Slicing even while taking blaster fire from cover or when placed under time constraints. In truth, Harvey Daley almost works better when under duress, and actually needs motivation, typically, when Slicing.

Harvey Daley's passion for technology extends beyond his talent with Slicing. He truly believes that wars can be won with technology, not soldiers, and will always try to avoid direct combat if he can afford it. Instead, he prefers to deploy clever traps with Explosives, or turn technology against others as a weapon. Harvey Daley would rather overload a circuit breaker to shock a guard into submission than to test his luck with his hands or a blaster. If removed from technology or his gadgets, however, Harvey Daley can easily be overwhelmed. Fortunately, he has no qualms with throwing a smoke grenade down and running for dear life.