Will and Menel investigate why the seasons are not changing as they should in the surrounding forest. Two wise Lords of the Forest may have the answers they seek... as well as a warning of what's yet to come.
there's probably solid 
grounds to back it up.
فغالباً هناك أُسُس ملموسة تدعم ذلك
debe ser un pronóstico
o una predicción con fundamento.
debe ser un pronóstico
o una predicción con fundamento.
Pour qu’ils nous en parlent,
ils ont dû voir des éléments tangibles.
potete considerarla 
una profezia basata sui fatti, o meglio...
provavelmente há bases
sólidas para sustentá-la.
всегда опирается
на какие-то сведения.