This is a horrendously powerful boss enemy that appears in the end of the Snowfield 1. This boss launches extremely powerful balls that slide along the ground after landing, usually surprising most players. The Cyan X Walkers surrounding the boss simply make matters worse. It is highly recommended to eliminate the Cyan X Walkers quickly. If the team has a Sniper, try to keep him alive. After most of the Walkers are dead, apply the Dodge strategy with the Sniper, either by dragging over or under the balls, or use a melee character or two (both) with extremely high LP and with a Black Crystal 4 equipped. In the latter's case, drag the melee character to distract the boss so that the Sniper will remain unharmed, while the melee character can also distract the balls to the other side and attack. Thunder and Poison type weapons are best against this boss. Overall, this is simply a big upgrade of the White Boss X Walker from Hill Country 1. To compare, the weaker version has 900 LP, while this boss has 33.3x as much LP, it also has 10x the min AT and over 20x the max AT, has double the range, and balls can slide while the other cannot. Its ball attack can hit multiple characters if they are placed on the same general vicinity, like its Hill Country 1 relative. The only thing about this boss that it shoots much slower than the one in Hill Country 1, so this makes the Dodge strategy much easier. It's interesting to note that this boss has a 90% immunity to Freeze instead of the regular 80%, as the only bosses that have 90% instead of the normal 80% before are Mega bosses.
This is the third-most damaging enemy in the game and second-most in terms of physical damage. The first two are the Hell Castle Boss and the Grey Big Box Snake, both of which have a max AT of 9999.