Maximizing your NIKKE performance requires a strategic approach to the Favorite Item system, which transforms underperforming or niche units into endgame contenders. This guide outlines which units provide the highest return on investment based on current meta requirements. By focusing your limited upgrade materials on specific characters, you can significantly boost your damage output in Solo and Union Raids while avoiding the trap of upgrading units that offer minimal utility in high-tier content.
Prioritizing DPS Units for Maximum Impact
The most efficient way to utilize Favorite Items is to focus on units that gain significant offensive scaling. Exia stands out as the highest priority due to her ability to provide massive debuffs against bosses. Her transformation into a top-tier support/DPS hybrid makes her an essential investment for players looking to push high-score thresholds in raids. Upgrading her Favorite Item is a direct path to increasing the overall damage ceiling of your core teams.
Diesel also remains a top-tier candidate for players needing sustain and offensive utility. Unlike units that provide purely defensive benefits, Diesel’s upgraded form offers a mix of survivability and damage that makes her reliable in challenging boss encounters. By prioritizing these specific units, you ensure that your investment translates into tangible progress across multiple endgame modes rather than just improving a character that sits on the bench.
Identifying Low-Priority and Trap Investments
Not all Favorite Items are created equal, and some represent a poor use of your scarce resources. Units like Mica or Vesti, while potentially interesting, generally do not offer the same power spike as the top-tier units. Investing in these characters often leads to "resource regret," where you find yourself lacking the necessary materials when a truly meta-shifting Favorite Item is released. Always verify a unit’s long-term utility before committing your upgrade items.
Furthermore, avoid upgrading units simply because you enjoy their aesthetic or character design if your goal is competitive optimization. The Favorite Item system is a resource sink; once you apply materials to a character, they cannot be recovered. If a unit is not currently projected to be part of a high-damage raid composition, it is better to hoard your materials until a more impactful update or meta shift occurs.
Managing the Resource Bottleneck
Favorite Item upgrades require a consistent flow of specific materials that are not easy to farm in bulk. Because of this, your upgrade strategy should be dictated by your current roster gaps rather than completionism. If you are struggling to clear specific elemental stages or raid bosses, target the Favorite Item that directly addresses that weakness. This targeted approach prevents the common mistake of spreading resources too thin across an entire roster.
When you reach the point of deciding between two potential upgrades, always favor the unit that offers the most versatility. A unit that performs well in both Solo Raids and Union Raids is infinitely more valuable than a unit that is restricted to a single niche role. Always check the latest community data or tier lists to ensure the unit you are targeting hasn't been phased out by newer, more powerful releases.
Strategic Timing and Future-Proofing
The meta for Favorite Items is not static; it evolves with every major update and the release of new characters. Consequently, the best strategy is to maintain a "wait and see" approach for at least the first few days of a new update. This allows the community to stress-test the new upgrades and determine if they actually meet the performance benchmarks required for high-level play.
Finally, keep in mind that some units receive significant indirect buffs from new gear or team compositions. Before finalizing an upgrade, consider whether a new unit release might render your current Favorite Item choice obsolete in the near future. By staying patient and prioritizing units with proven long-term value, you will maintain a competitive edge and ensure your account remains optimized for the most difficult content NIKKE has to offer.

COMMUNITY
Player Comments
114 players commented on this guide.
This guide answered the exact question I had.
The explanation is clear, especially for beginners.
This saved me time in the early game.
I wish I had read this before upgrading the wrong thing.