For 10 points, name this novel by Richard Adams, about the epic journey of some rabbits.
A character in this work is told "silflay hraka u embleer rah" [sill-fly hraa-kaa oo ehm-"blare" raakh], after being attacked by Kehaar. That character led Efrafa and faces down an ex-Owsla officer during an attack on the title location. In this novel, (*) Blueberry pioneers the use of buoyant wood to cross water after escaping the destruction of Sandleford Warren prophesied by Fiver. For 10 points, name this novel by Richard Adams, about the epic journey of some rabbits.
A character in this work is told "silflay hraka u embleer rah" [sill-fly hraa-kaa oo ehm-"blare" raakh], after being attacked by Kehaar.
Watership Down