To look no further means that something is exactly what someone wants or needs, which in this context is the second tavern he went into.
Context: "After several ales in one pleasant drinking abode caradas resumed his search but did not have to search any longer or look in any other place than the second tavern he went into."
Hypothesis: After several ales in one pleasant drinking abode caradas resumed his search but need look no further than the second tavern he went into.
Based on the context, is the hypothesis true, false, or unknown?