The 20th difficulty tier in the game, also known as “T20”. Reaching wave 300 unlocks tier 21.
ℹ️ Tier Unlocks
ℹ️ Tier Battle Conditions
For more information on Battle Conditions, see: Battle Conditions.
ℹ️ Tier Milestone Rewards
- Milestone Rewards Tier 20
ℹ️ Tier Difficulty Bonus
💡 Related Tips
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⁉️ Related Frequently Asked Questions
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📜 Related Guides & Strategies
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🛠️ Related Tools & Resources
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