Super Sunday 5: A Game of Blanks

+4 for individual blanks,+20 if everything is correct

A and B were long-term contenders of C for thousands of years.Usually the A prevailed over the B but all this changed in the wedding of D(male) and E(female) also known as the ‘F’ when G of B stabbed H of A by saying,”The I send their regards”.The A and B are part of the First Men who worshiped the J while I are regarded as the K who worshiped the L.Related to this realm,is the Wall which is said to protect it from the M.To tackle this menace the prophecy has it that there will be an Azor Ahai(a person who will lead the army who will defeat the M).According to fan theories and speculations,there are 4 contenders for Azor Ahai,N(a person who is somewhat related to A),O(a self proclaimed princess),P(who has a pet whose name is coincidentally something opposite to the term which is considered doom in this realm,he again is related to A),Q(a person who led 2 failed campaigns,one against I and the other against B).The person Q has 2 brothers,one is R who led a successful rebellion and S who was homosexual and after R’s death commanded the largest army in Westeros with the help of T who was also involved in the defeat of Q against I.Finally U of T and V were responsible for the death of W(a sociopath who was related to R by name but I by blood) .This event was called ‘X’ with a word in common with ‘F’.