The CW has released an official description for the April 22 episode of Arrow.
It’s called “The Fallen” and below you can find new spoilers:
BACK TO NANDA PARBAT — Ra’s al Ghul (guest star Matt Nable) finally makes Oliver (Stephen Amell) an offer he can’t refuse. The team joins Oliver on his journey to Nanda Parbat where a heartbroken Felicity (Emily Bett Rickards) decides to take matters into her own hands. Antonio Negret directed the episode written by Wendy Mericle & Oscar Balderrama (#320). Original airdate 4/22/2015.