This is just a quick guide to show how I beefed up my Eren for AOT2.

Mina Carolina's Camaraderie Skills video:    • All free skills & camaraderie guide |...  

LuentrixGames' Reinforcement Guide:    • Attack on Titan 2  Reinforcement Gui...  

Music used:

Nujabes World Without Words
Hall and Oates Out of Touch

Skills:

Mikasa + Rico Rank 5: Air Movement
Mikasa + Gunther Rank 5: Ultimate Blade Art
Armin + Zeke Rank 5: Exaltation
Armin + Connie Rank 5: Ready for Anything
Armin + Levi Rank 5: Wellprepared
Jean + Floch Rank 5: Showdown Equipment Handling
Levi + Mitabi Rank 5: MidAir Blade Swap
Young Keith + Hange Rank 5: MidAir Gas Swap
Mina + Keith Rank 5: MidAir First Aid
Marco + Annie Rank 5: Multi Dash
Levi + Zeke Rank 5: Wings of Freedom
Eld + Moblit Rank 5: Multi Strike