Willpower
Breaks free from Brother Blood's mind control (Tales of the Teen Titans #41)
Scarecrow mentioning how Dick's willpower is the second strongest he's encountered (his mentor Batman obviously being the first) (Nightwing #9)
Shakes off Scarecrow's more potent fear toxin and takes him down (Nightwing #10)
Withstands a painful mental assualt from Feedback/Zane then cleverly finds a way to turn Zane's own attack back against him (Nightwing v2 #3)
Able to resist a psychotropic cocktail as form of torture that was used in an attempt to get him to talk (Nightwing #45)
Resists Groom's mind control power and takes him out (Nightwing #130)
Despite note having his hypnos implant at the time for protection, he is unaffected by the psychic attack of the Paragon Brain (which is draws its power from Martian Manhunter's telepathic abilities) that heavily influences the large audience nearby to be filled with hate and rage including his partner Helena even with her hypnos implant aiding her. Once he actually gets ahold of the Paragon Brain not only does he strongly resist the influence of the Paragon Brain (by not smashing it) but he also manages to change it's mind by simply switching his thoughts from hate to thinking about his family and every positive thing he has in his life which broke the Paragon Brain's psychic hold over everyone (Grayson #7)
Resists and quickly overcomes Paragon's (who has Martian Manhunter's telepathic powers) mental attack through sheer willpower (Grayson #8)
Grayson #20:
- In order to save his Spyral partner Helena Bertinelli from Otto Netz's control he willingly sacrifices his own mind and body to Otto Netz
- Despite his mind being taken over, he's still able to engage Otto Netz in mental combat for control over his body which is a feat Helena Bertinelli couldn't accomplish. In the end, he's able to defeat Otto Netz by cleverly using the fail safe code word installed within his Spyral hypnos brain implant which effectively shocked his own mind causing Netz to separate from him mentally thus reclaiming control over his body
Was one of the candidates chosen to succeed Abin Sur as Green Lantern of sector 2814 but was beat out by Hal Jordan (Action Comics #642)
DEDUCTION
Officially mentioned as being only 2nd to Batman in detective ability (underlined in blue) (DC Comics Encyclopedia vol 2)
Body Language Reading
Post-Flashpoint/New 52 era, according to Bruce he has has a gift for reading motion (the ability to read body language very closely) plus even deduced that Bruce Wayne is Batman after a little research into his background and just by looking at him having already been familiar with who Bruce is (Nightwing v2 #0)
With the help of the zooming tech in his mask lenses, he's able to even better read the body language and spot weaknesses in the SWAT team cops dispatched to take him down (Nightwing v2 #19)
Just by reading his body language he's able to beat a master level card player (Nightwing v2 #20)
Observation/Perception
Showcasing his impressive deductive prowess even as a kid before he became Robin by reading Clark Kent very well (noticing that Clark's hiding a lot of things about himself) who's impressed by his observant talent (Superman American Alien #4)
Thanks to his insight due to his deductive trained mind he starts to ask questions that give Cyborg and Green Lantern the idea to look for the source of the problem and how all the threats the League are fighting against all at once are actually connected somehow (Justice League v2 #51)
Deduces a trap setup for the Teen Titans ahead of time that Cyborg was about to rush into (New Teen Titans v1 #7)
Quickly deduces that he's walking into a trap while alongside Beast Boy and that the man inside was actually a mechanical bomb about to go off (New Teen Titans v1 #9)
Detects a sniper through hearing and moves fast enough to save the target from being killed (New Teen Titans v1 #30)
Quickly senses and detects that someone is in his apartment waiting to ambush him before he even enters that turns out to be a professional assassin (Nightwing Mini #2)
Showing great awareness/perception as he catches a reflection of someone else with Catwoman moving out the corner of his eye in the windows across the street (Batman #697)
Detects Manhunter's presence as he's creeping up behind him and is able to avoid his sneak attack using his speed and agility despite Manhunter's super human reflexes (The Power Company Manhunter)
Detects Deathstroke's presence nearby which impresses Slade since he mentions that not one man in a million would have heard him (The New Titans #86)
His senses are so well honed that they're able to pick up even Batman's presence who's hiding in the dark (Nightwing #12)
Showcasing his impressive level of perception (and reflex speed) by deflecting a projectile (tranq dart?) shot at him from a hidden enemy who turns out to be Midnighter who he's also able to find very quickly as noted by Midnighter himself (Grayson #1)
Detects the presence and movement of the same speedster he encountered beforehand coming from behind him then avoids being ambushed by the speedster saving his unaware partner Helena Bertinelli in process (Grayson #2)
Deduces that the getaway genius is actually a female despite the fact that she's using a high tech holographic suit to disguise herself as a man having fooled everyone else (Batman #703)
Deduces Ray Man is using illusions against Nightrunner, Robin, and himself then comes up with a way to counter the illusions and subdues Ray Man (Batman & Robin #26)
Quickly deduces Sculptor is a telepath after seeing her use her telepathy power against Harper Row (reading Harper's mind to quickly find out her identity then putting her to sleep) impressing the telepath (Batman & Robin Eternal #11)
Not only is he able to deduce that Grifter is a telepath that can read his thoughts and moves ahead of time by the feeling in his head (having experienced the "bad touch" of telepathy before), he's also able to break down Grifter's preferred fighting style, personality, and motivation by reading his body language in mid combat (Grayson #17)
Crime/Mystery Solving
A very young Dick Grayson showing his potiental as a detective before he became Robin by solving a riddle that even Batman hadn't yet figured out (Batman Dark Victory #12)
Suspects the man (Mad Hatter) who's giving away free headphones is not who he appears to be and tracks down his hideout by following his broadcast signal then gets the whereabouts of his current location from his henchmen (Robin Year One #1)
Schooling Tim Drake (before Tim became the 3rd Robin) on the importance of observation then tracking (The New Titans #65)
Tales of Teen Titans #43:
- Deduces how Deathstroke captured Donna Troy
- Then Cyborg
Showcases his deductive skills as Superman enlists his help to locate Dr. Bruce Gordon (Adventures of Superman Annual #4)
Decodes the clues Batman left behind for him in order to find Two-Face's hideout which he solves even faster than Batman thought he would (The New Titans #61)
Solves a mystery before even Batman could impressing his mentor who's come to admire him for his talent as a detective and the man he's grown to become (Batman #439)
Solves a homicide case that went unsolved for over 15 years (Nightwing #24)
Solves 4 cases on America's Most Wanted TV show just for fun in a single morning (Nightwing #86)
Displaying his brilliant deductive mind as he tells Gordon exactly what happened when examining two crime scenes and some dead bodies (Batman Streets of Gotham #8)
Deduces who the mastermind was that created an army of winged men and Talia's involvement in the project (Nightwing #144)
Tracks down Talia's hideout and leaves a very clear threatening message for her then finishes tracking down Creighton Kendall's new hideout (Nightwing #145)
Deduces who the new Azrael is (Azrael Death's Dark Knight #3)
Deduces Vigilante's secret identity (Vigilante v3 #10)
Damian deduces Black Mask's plan only to find out that Dick figured it all out yesterday morning. In addition, Dick finds out the identity of one of the masterminds behind Black Mask's operation (Batman #694)
Deduces the true identity of Black Mask (Batman #696-697)
Finds and deduces all the hidden clues within Wayne Manor left behind by Bruce Wayne as a message that he's trapped in time (Batman and Robin #10-12)
Deduces Sexton's true identity based on all the familiar clues left behind (Batman and Robin #12 & 13)
Deduces that the Shade is the person linking all the shadow energy together although everyone else believes its Jade given her connection to both Shadow and Starheart energy (Justice League of America v2 #57)
Some highlights of Dick while still as a teenage Robin solving one of the greatest mysteries in the DCU (Who is Donna Troy) by figuring out Donna Troy's identity & background displaying some of his scientific knowledge in the process (New Teen Titans v1 #38)
