Each character in Disgaea 5 has multiple colors and sub classes to choose from. Some of these are requirements for a quest, and others can be used to unlock new recruits.
Amazon has discounted the physical PS4 versions of Disgaea 1 Complete to $27.99, Disgaea 4 Complete+ to $39.85 and Disgaea 5: Alliance of Vengeance to $31.95.
Play-Asia has reduced the prices on 8 gaming products including Collar X Malice for PS Vita and Disgaea 5: Alliance of Vengeance for PS4.
I only ever use Play-Asia for English-Asia imports anymore, it's too expensive to buy from them regularly.
Amazon has discounted the digital version of Disgaea 5: Alliance Of Vengeance to $19.99 on PlayStation 4.
