In Reverse: 1999, strengthening your characters is crucial for advancing through both story content and demanding endgame challenges. While premium units like Regulus or Eternity provide advantages, they only achieve peak performance when fully leveled, promoted, and equipped. Mastering each progression system and optimizing resource allocation are vital for creating a formidable team. This guide details all key upgrade mechanics to help you build your ideal roster effectively.
Character Leveling – Your Foundation for Success
Leveling serves as the fundamental method for enhancing your characters. Each unit begins at Level 1 and advances by consuming Sharpodonty EXP items (available in tiers I-III), obtained from battles, daily stages, and events. Increasing levels significantly boosts base stats like HP, Attack, and Defense, improving survivability and damage output.

This process works particularly well for 4-star and 5-star units, which appear more frequently in summons. However, upgrading 6-star characters requires duplicate copies or rare universal materials.
Psychubes
Psychubes operate like artifacts in traditional RPGs, providing passive stat boosts and special effects ranging from attack power to healing efficiency. High-tier Psychubes (4-star and above) often feature role-specific enhancements tailored for DPS, healers, or other archetypes.
Characters equip one Psychube at a time, which can be upgraded using other cubes or enhancement materials. Strategic Psychube selection dramatically impacts performance – His Bounden Duty, for instance, significantly amplifies Regulus's critical damage potential.
Resonance
The Resonance system serves as an endgame progression path resembling talent trees, unlocking incremental stat bonuses and occasional skill modifications through Resonance Materials. This feature becomes accessible after reaching specific character milestones.
BlueStacks enables players to enjoy Reverse: 1999 on PC or laptop with keyboard and mouse controls.
Continue your Reverse: 1999 journey with our comprehensive guides.
Reverse 1999 - Active Redeem Codes Complete Breakdown of Floor It! To the Golden City Event Reverse: 1999 – Expert Team Composition Guide Reverse: 1999 – Complete Psychube Catalog with Effects
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