Move Staling - This plugin spices up your battle system by making spammed moves weaker.

Custom Skill Core - This allows you to have full control over your skill formulas.

Custom Skill Pack - This is a pack containing multiple custom skills (requires Custom Skill Core).

Octopath Traveler Battle System - This is a plugin that replicates Octopath's battle system.

Grid Inventory - This changes your item menu into a neat grid style. Similar to Harvest Moon and Resident Evil.