Yusuke's utility comes in the form of having the ability to duplicate skill cards. Skill cards can be used to directly teach new moves to Personas. This is quite invaluable especially if you want to duplicate rare skill cards.
Rank 1: Novice Duplication
Use Blank Cards to duplicate low level Skill Cards
Rank 2: Baton Pass
Pass the turn to other Baton Pass users after executing a 1 More. You can't pass the turn to a party member that just had his/her turn.
Rank 3: Follow Up
Chance to trigger a follow up attack in case Joker’s attack fails to down the enemy
Rank 4: Artist Talk
Chance to step in after a failed Shadow Negotiation and allow a retry
Rank 5: Adept Duplication
Use Blank Cards to duplicate mid level Skill Cards
Rank 6: Harisen Recovery
Chance to cure any status Ailment inflicted to a party member. Cannot use on himself.
Rank 7: Master Duplication
Use Blank Cards to duplicate high level Skill Cards
Rank 8: Endure
Chance to survive a fatal attack with 1 HP remaining.
Rank 9: Protect
Chance to shield Joker from a fatal attack
Rank 10: Second Awakening
You can unlock his confidant on June 18, after completing Madarame's Palace.
1
A 2 "It’s novel."
B 2 "It’s enigmatic."
C X
2
A 3 "I can’t wait."
B 3 "I hope you’re right."
C X
Unlocks Ueno hangout location
1
A X
B X
C 2 "Don’t let it bother you"
2
A X
B X
C X
3
A 2
B 3 "This isn’t like you."
C X
4
A 2
B 2
1
A X
B 2 "Why are we in a boat?"
C 2 "I should bring a girl here."
2
A 3 "Love comes in all forms"
B 2
C X
1
A X
B 2
C 3 "Do you want me to strip?!"
2
A 3 "I’m sure you will."
B 3 "It doesn’t look like it."
C 2
Requires LV4 Proficiency
1
A 2 "It feels nostalgic."
B X
C X
2
A X
B X
3
A X
B X
4
A 3 "Maybe he was sympathetic."
B 2
C 3 "I couldn’t possibly tell you."
1
A X
B 2 "What do you mean?"
C X
2
A 3 "The truth is within you."
B X
1
A X
B X
C 2 "It has to be Ann."
2
A 2
B X
C 3 "You’ve really grown, Yusuke."
A 3 "Her love for her son."
B 3 "The pain of separation."
C 2
2
A 3 "You’ve really changed, Yusuke."
B 2
C X
Unlocks the most powerful persona of the Emperor arcana, Odin.
1
A X
B X
2
A X
B X
3
A X
B X
4
A 3
B 3
5
A X
B X
C X
(Farewell gifts are unique items given by confidants to the protagonist at the end of the game which can be carried over to New Game+ with added beneficial effects.)
Desire and Hope painting: Access to Master Duplication ability once his confidant is established.