H 17.045 {p} This is the help.

17.041-fn Son of Azog. p.24
17.042 Amazement and confusion voices.
17.043 “Come!” called Gandalf. us!”
17.044 So began a assault.
17.045 This is the help.
17.046 Soon the thunder dread.
17.047 “To the Mountain!” time!”
17.048 On the Southern disorder.
17.049 It was a swordsman.