While this word is technically plural, it appears to be used as singular in the Torah. For 10 points each:
[10h] Name this Hebrew honorific plural for deities. The witch of Endor said she saw the thing described by this word arising from the ground when she summoned the prophet Samuel for a King of Israel.
ANSWER: Elohim [or ʾĔlōhīm or ʾĔlōah]
[10e] This King of Israel disguised himself to consult the witch of Endor. This king had a troubled relationship with his son-in-law, David, who eventually became king after this king’s son.
ANSWER: Saul [or Šāʾūl]
[10m] Saul consulted the witch of Endor to ask Samuel about a war with these people, whereupon the ghost of Samuel told Saul that the Lord will give Israel to these people.
ANSWER: the Philistines