Cold Front
active Documented When to buy Cold Front Cold Front +25s Cooldown +4s Duration +0.6s Spread Duration: +48% Move Speed +6% Spirit Resist
Buy when you need an area slow to catch runners or peel a dive; it upgrades into 
Arctic Blast Arctic Blast +24s Cooldown +0.6s Spread Duration: +48% Move Speed +4s Slow Duration +10% Spirit Resist +1s Freeze Duration Builds from Cold Front .
When to skip Cold Front
The blast expands over 0.6 seconds, so fast enemies can escape it.
Problems it answers
- Gap closers and escapes — “They reach me whenever they want and leave when they want.”
- Dive onto the backline — “They jump straight past the frontline onto me.”
- Air mobility — “They fight from above and I cannot touch them.”
Heroes that make this worth a slot
Heroes whose kit creates the problems Cold Front answers. This is derived from kit properties, not from measured build results.