Answer: grail

AnswerCrossword Clue
GRAILParsifal's quest
GRAILObject of a knight's quest
GRAILLast Supper item
GRAILObject of many knightly quests
GRAILHoly chalice of legend
GRAILUltimate object
GRAILLegendary cup
GRAILLast Supper utensil
GRAILPerceval's quest
GRAILSacred cup
GRAILElusive chalice
GRAILKnightly quest
GRAILGalahad's find
GRAILObject of classic quest.
GRAILObject of long search.
GRAILObject of the quest.
GRAILHoly object.
GRAILSubject of many medieval legends.
GRAILGoal of a certain quest
grailthe cup used by Christ at the Last Supper, also GRAAL, GRAYLE
grailany greatly desired and sought-after objective; ultimate ideal or reward
grail(in medieval legend) the cup or chalice used at the Last Supper of Christ with the apostles
GRAIL"Parsifal" prop
GRAILKnight's quest
GRAILQuest goal
GRAILObject of a famous quest
GRAILChalice of medieval legend
GRAILSubject of the Quest.
GRAILProp for Parsifal
GRAILLegendary chalice
GRAILQuest objective
GRAILHoly .....
GRAILReligious cup
GRAILQuest in a Monty Python movie
GRAILPercival caught sight of it
GRAILSought-after object
GRAIL"Monty Python and the Holy ..."
GRAILArthurian quest item
GRAILCup sought by Indiana Jones
GRAILLast Supper vessel