Unicorn Overlord.

Unicorn Overlord is a tactical RPG game developed by Vanillaware. The game distinguishes itself from others in the genre with its exceptional 2D art and a hybrid of real-time and turn-based systems. Players must gather recruits and form mini parties to liberate the kingdom of Cornia. Battles are complex and require strategic prioritization of skills and actions. The game also offers choices to spare or recruit defeated enemies, emphasizing the theme of redemption and reconciliation. The ability to assemble a vast army of unique characters is a main selling point of the game. [Extracted from the article]