Usages of eterno
El juramento será eterno mientras ellos no traicionen el pacto.
The oath will be eternal as long as they do not betray the pact.
El rito será eterno mientras usemos la túnica negra.
The rite will be eternal as long as we use the black robe.
Lo eterno perdurará mientras exista la verdad.
What is eternal will endure as long as the truth exists.
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