Puzzle 23

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ClueSolution
necessaryVITAL
VITAL
annoying in a trivial wayNIGGLING
NIGGLING
acting and rapping GloverDONALD
DONALD
self-denialABNEGATION
ABNEGATION
saved solesCOBBLED
COBBLED
Danish astronomer BraheTYCHO
TYCHO
get very wetSATURATE
SATURATE