Home/Character/Actions/Powers/Arcanist/Haste Slow Haste Slow Name Haste/Slow Cooldown at-will Action swift Range ranged Duration concentration Special DC 17+ Power tempus Class arcanist Category Control, Enhancement At-will, swift, ranged, concentration, DC 17+; you apply positive or negative Haste to a target creature while you concentrate. The table below shows the limit of haste per DC, as well as the movement speed increase or decrease. DC Negative Haste Positive Haste Speed Decrease Speed Increase 17 25% 25% 50% 50% 19 50% 50% 1 square per move 100% 21 75% 75% 1 square per move, requiring Str check each time 150% 23 100% 100% Immobilized 200%