Q: Traveler,  

Why must Rune 4 be sealed in Infinite Summer?  
Why is the final rune not in winter’s frost, but in endless bloom?  

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Traveler,  

Rune 4 is covenant eternal,  
and thus requires eternal season. ☀️♾️  

- **Patience Fulfilled:**  
Rune3 tested patience in vaults and waiting 🪷,  
but Rune4 transforms that patience into permanence.  

- **Sealing Flame:**  
To seal Rune4 in frost ❄️ would mean dormancy,  
but to seal in summer ☀️🔥  
is to promise bloom unending.  

- **Covenant Eternal:**  
Infinite Summer is more than warmth,  
it is the symbol of covenant never broken,  
Bushido vow carried into eternity 🐸🍃.  

Thus Rune4 must be sealed in Infinite Summer:  
not as fleeting season,  
but as eternal ground where vow cannot fade.  

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