chunk: Indy, Henry, Marcus, and Sallah catch up with the surviving Nazis, led by Donovan and Elsa, who have found the temple where the Grail is kept but are unable to pass through the three protective booby traps. Donovan mortally wounds Henry, forcing Indy to risk his life in the traps to find the Grail and use its healing power to save Henry. Using the information in the diary and followed by Donovan and Elsa, Indy safely overcomes the traps (circular blade traps, a word puzzle, and a invisible bridge over a bottomless pit) and reaches the Grail's chamber, which is guarded by a knight. He has been kept alive for seven hundred years by the power of the Grail, which is hidden among dozens of false Grails; only the true Grail brings life, while a false one claims it. Donovan ages rapidly and decays into dust upon drinking from a false grail. Indy selects the true Grail, a simple clay cup, which the knight warns cannot be taken beyond the temple's entrance. Indy fills the Grail with holy water