Evolution Requirements

To evolve Hei into Hei (Black Dragon), gather these essentials:

• One evolution sword item
• One special catalyst often called Sunshine
• Dozens of colored essences — green, purple, and blue — plus one rainbow essence
• About 15,000 gold for the evolution cost
• A takedown count requirement of around 5,000

Once all requirements are met, head to the Evolve NPC or lobby evolution area to transform Hei into Hei (Black Dragon).

Tier Ranking and Strength

Hei (Black Dragon) is considered a meta-level DPS unit, excelling in damage-over-time and burn-based strategies. Within burn synergy teams, he delivers high sustained damage and ranks among the strongest offensive options. He is not always the top choice in every mode, but he shines where burn effects are effective.

Gameplay Tips for Hei (Black Dragon)

Here are some proven strategies to improve your gameplay with Hei:

• Maximize burn uptime: Hei consumes burn stacks for damage boosts. Pair him with allies that apply burns frequently.
• Farm smart: Focus on modes that reward essences and catalysts, and save gold for evolving Hei.
• Upgrade before evolving: Fully leveling Hei first improves his evolved performance.
• Optimal placement: Place Hei where he can hit groups of enemies for consistent burn application.
• Choose good teammates: Pair Hei with allies who support burn effects and avoid those that cancel DoTs.
• Reroll traits if possible: Aim for traits that boost damage, attack speed, or range.
• Adapt by mode: Swap Hei out for burst units in game modes where DoTs are less effective.

Frequently Asked Questions

Can Hei apply and consume burns at the same time?

Yes. Hei applies burns and then consumes them to increase his damage output.

When is the best time to evolve Hei?

After collecting all requirements and leveling him up, evolve Hei to unlock his full power.

Is Hei the best unit for all modes?

No. He excels in modes that favor burn effects, but other units may be better in burst-focused scenarios.

What if I don’t have enough essences?

Farm missions and events that drop essences. Save your gold and avoid wasting resources until you have enough.

Are evolution materials refunded if used?

No. Once spent, they are permanently consumed in the evolution process.