Understanding bonus stats in Digimon Story: Time Stranger is the difference between struggling through battles and absolutely dominating the Digital World. These blue numbers next to your Digimon's stats aren't just cosmetic - they're the secret to creating monsters that can reach the 9,999 stat cap and one-shot enemies with ease. Whether you're confused about those mysterious blue brackets or wondering why your Digimon aren't getting stronger despite constant training, this guide breaks down everything you need to know about maximizing your team's potential.
What Are Bonus Stats and Why Do They Matter?
You've probably noticed those blue bracketed numbers appearing next to your Digimon's regular white stats. These bonus stats (also called cumulative stats) represent permanent stat increases that carry over between evolutions, making them incredibly valuable for long-term team building.
Think of bonus stats as your Digimon's hidden potential. While regular stats reset when you digivolve or de-digivolve, bonus stats accumulate over time, creating increasingly powerful monsters. A level 1 Renamon with 400 bonus intelligence points will vastly outperform one without any bonus stats, even at the same level.

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Bonus stats can reach a maximum of 9,999 points in each category, essentially allowing you to max out every stat on a single Digimon with enough dedication.
The Three Pillars of Stat Growth
Talent: Your Level Cap Controller
Talent determines your Digimon's maximum level and increases during evolution cycles. You can boost talent before evolving through:
- Participating in battles and finishing off enemies
- Striking enemy weak spots for critical hits
- Winning battles without taking damage
- Training at the Digifarm
The key insight here is timing - you'll gain significantly more talent if you focus on these activities before triggering an evolution rather than after.
Bond: The Transfer Rate Multiplier
Bond functions like a friendship meter, but it's crucial for bonus stat retention. Higher bond percentages mean more bonus stats transfer when you evolve or de-digivolve your Digimon.
Build bond through:
- Battling alongside your Digimon consistently
- Talking to them between battles
- Feeding them at the Digifarm
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Digimon sitting in your box gaining passive experience won't increase their bond, meaning they'll transfer almost no bonus stats during evolution cycles.
Personality: The Growth Direction
The Personality system shapes which stats receive bonus growth during level-ups. Each of the 16 personalities falls under four main bonds:

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How Bonus Stats Actually Accumulate
Method 1: Evolution Cycling
When you evolve or de-digivolve a Digimon, 1% of their previous form's stat gains transfer as bonus stats. The formula works like this:
- Take your Digimon's current stat value
- Subtract their base level 1 stat (found in the Field Guide)
- Apply 1% of that difference as bonus stats
- Higher bond = better transfer rate
Method 2: Load Enhancement
The Load Enhancement feature lets you sacrifice unwanted Digimon to strengthen your main team. When loading Digimon:
- You gain approximately 50% of their visible bonus stats
- Plus 5% of their total stat growth (current stat minus base level 1 stat)
- The game rounds down all calculations

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Method 3: Augmentation Chips
The most straightforward method - Augmentation Chips directly add bonus stats to specific categories. These bypass all calculations and immediately boost your chosen stats.
Proven Strategies for Maximum Power
The Evolution Loop Strategy
This method focuses on constantly cycling between evolution stages while maintaining high bond:
- Level your Digimon with appropriate personality for desired stats
- Build bond to 50%+ through battles and interaction
- De-digivolve to transfer bonus stats
- Repeat the cycle, watching bonus stats accumulate
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Don't get attached to higher evolution forms early on. That awesome Ultimate you just unlocked should go back to Rookie stage to continue the stat-building process.
The Feeding Method
For rapid stat growth, use this feeding strategy:
- Identify Digimon with naturally high stats in your target category
- Level them up with appropriate personalities
- Feed them to your main Digimon via Load Enhancement
- Focus on species like Impmon (high intelligence) or Tentomon (solid all-around stats)

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The Specialist Approach
Rather than spreading bonus stats evenly, concentrate on creating specialists:
- Physical Powerhouses: Focus ATK and SPD with Valor personalities
- Magical Nukers: Maximize INT and SPD with Wisdom personalities
- Defensive Walls: Build HP and DEF with Amity personalities
- Support Masters: Enhance SP and MDF with Philanthropy personalities
Advanced Calculations and Optimization
Understanding the exact math helps optimize your approach:
De-evolution Transfer Rate:
Load Enhancement Formula:
Where Growth = Target's Current Stat - Target's Base Level 1 Stat

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Common Mistakes to Avoid
Ignoring Bond Development
Many players focus solely on leveling without building relationships. A Digimon with 10% bond will transfer almost nothing during evolution, wasting all your stat-building efforts.
Wrong Personality Choices
Using a Zealous personality (ATK/SPD focus) on a Digimon you want as a magical attacker severely limits their potential. Always align personality with your intended role.
Premature Evolution Stopping
Some players stop the evolution cycle once they reach their desired form. Continue cycling even at Mega level to maximize bonus stats before final deployment.
Building Your Ultimate Team
Sample Build: Magical Destroyer
Target Digimon: Lilithmon
- Personality: Enlightened (INT/SPD)
- Focus Stats: Intelligence primary, Speed secondary
- Feeding Sources: Impmon, Tentomon, Salamon
- Goal: 9,999 INT for maximum Phantom Pain damage
Sample Build: Physical Tank
Target Digimon: WarGreymon
- Personality: Compassionate (HP/DEF)
- Focus Stats: HP and Defense primary, Attack secondary
- Feeding Sources: High-HP rookies, defensive specialists
- Goal: Maximum survivability with solid damage output
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Remember that bonus stats don't compete with each other. You can eventually max every stat to 9,999, so early "mistakes" in stat allocation won't permanently hurt your Digimon.
Maximizing Efficiency
Early Game Focus
- Prioritize bond building over raw levels
- Use easily farmable Digimon like Tentomon and Impmon for feeding
- Don't worry about perfect personality optimization until you understand the system
Mid Game Optimization
- Start specializing roles with targeted personalities
- Begin serious evolution cycling with 50%+ bond Digimon
- Focus on one or two main Digimon rather than spreading efforts
Late Game Perfection
- Push for 9,999 bonus stats in key categories
- Create specialized teams for different content types
- Use Augmentation Chips for final stat optimization
The bonus stat system in Digimon Story: Time Stranger rewards patience and understanding over brute force grinding. By mastering these mechanics, you'll create a team capable of handling any challenge the Digital World throws at you. Start with one Digimon, focus on building their bond and cycling evolutions, and watch as they transform from a basic partner into an unstoppable force of digital destruction.
For more Digimon Story: Time Stranger, check out our Best Anomally Points Farm guide.

