Ragnarok Online Official Guide Book VOL. 8 (Korean: 라그나로크 공략집 8) is an official strategy guide for Ragnarok Online. Features Einbroch and 183 new cards (at the time of release). Includes a voucher for 10 free days of Ragnarok Online (when the game was pay-to-play). Measures 15 x 22.5 x 1.3 cm.