Crowd control skills were extremely high priority for players because a good controller could easily turn the tide of battle in PVP. This was a fundamental concept that players had to learn before even playing the game.
For crowd control skills in <<REBIRTH >>, there were only a few that had the effect of rooting multiple players at once. These were skills that were familiar to Ratty who was experienced.
However, such crowd control skills had their innate shortcomings.
Although the skills had an AOE effect, they had a long casting time and the target area was very telegraphed. Unless it was a top tier controller, a player of Ratty's calibre could easily escape the effects of the skill.
If it was really as Tiger had said, that sounded too overpowered to be a skill attributed to a player.
"I am not lying, the boss also saw." Upon seeing that Ratty did not fully believe his words, Tiger quickly defended himself.