Help with Ys 1 complete

[Mad]

Well i havent figured how should i beat this boss.
I tried running around him, but no good, any tips?

Attached Images

YS1_WIN 2007-05-07 08-26-54-78.jpg (72.0 KB, 23 views)

__________________
[Windows 7 RTM PRO X64] [Gigabyte GA-G31M-S2L] [Intel E5200@2.5Ghz] [Corsair XMS2 DHX 4GB DDR2 800MHz] [HIS HD4670 1GB GDDR3] [19" LCD SyncMaster T190] [Samsung SATA II HD322HJ 320GB] [LG HL-DT-ST DVD-RAM GH22NS30]
(@gigaherz) S.N.K.M.A.D.: Synthetic Networked Killing and Masterful Assassination Device