Which Battle Spell to Take, and Why

Flicker is the default pick for every lane except jungle, where Retribution is mandatory, because a reaction-proof escape or engage tool beats a situational one until a specific matchup proves otherwise. The other ten spells exist to answer a specific problem — heavy CC, a diving assassin, a healer-stacked enemy team — and picking one without that problem in front of you is the single most common mistake in spell selection.

The twelve spells

Spell	Cooldown	Core use	Typical users
Flicker	120s	Instant, animation-free short blink; escapes lethal combos or closes a gap onto a target	All roles
Retribution	35s	750 (+150/level) true damage to a jungle monster; secures Turtle and Lord	Jungler
Purify	90s	Removes all debuffs except suppression, grants Control Immunity + 15% Movement Speed for 1.2s	Squishy carries vs. hard CC
Sprint	100s	+50% Movement Speed and full slow immunity for 6s	Marksmen and mages without a dash
Execute	90s	100 (+10/level) plus 13% of the target's lost HP as true damage	Finishing a fleeing low-HP target
Petrify	75s	100 (+15/level) magic damage, 0.8s stun, then 0.8s 50% slow, to nearby enemies	Frontline heroes without hard CC in kit
Inspire	75s	Next 8 basic attacks within 5s hit at 1.5x Attack Speed, temporary AS cap raised to 500%	Basic-attack-reliant carries
Aegis	75s	750 (+90/level) shield for 5s	Blunting one incoming burst combo
Vengeance	75s	3s of 35% damage reduction plus reflecting 35% of incoming damage	Tanks and fighters punishing dive
Flameshot	50s	Knockback projectile, damages and displaces everything it hits	Poke and zoning comps
Arrival	75s	3s channel, then teleport to an allied turret/base/minion/trap, +60% decaying Movement Speed	Rotation and split-push
Revitalize	75s	4s healing zone, 2.5% max HP every 0.4s (~25% total) to nearby allies	Sustaining a siege or extended skirmish

Purify's cooldown was raised from 75s to 90s in a recent balance patch, closing some of the gap between it and Sprint. Retribution, at 35 seconds, has by far the shortest cooldown of any spell, which is why it "levels up" with repeated use and why every jungler runs it without exception.

Picking by lane

Gold lane. Flicker is the default on any marksman, since dying once to a hook or ultimate usually costs the game more than any other spell's upside. Swap to Purify against draft with two or more hard-CC heroes, or Sprint against a comp that wants to kite you down with slows rather than lock you in place. Melissa and Claude both lean on Flicker specifically because their own kit already has some self-peel, so the spell slot goes to pure safety rather than doubling up on escape.

Mid lane. Flicker again by default. Mages with no dash of their own, like Gord or Valir, take Sprint when the enemy jungler or roam is snowballing on ganks. Aegis is a laning-phase pick specifically — its 750 flat shield blunts an early all-in, but because it doesn't scale with items its relative value drops hard by the late game, so don't expect the same safety net at minute 15 that it gave you at minute 3.

EXP lane. Flicker covers most matchups, but duelists and split-pushers diversify more than any other lane. Execute finishes a fleeing opponent in a 1v1 that would otherwise reset to full HP. Vengeance rewards a fighter who expects to be attacked repeatedly during an extended trade — it's a poor pick against a hero like an assassin who lands one hit and disengages, since the reflect only matters while you're actually being hit. Arrival lets a split-pusher like Yu Zhong or Sun reset to a side lane instantly from anywhere on the map, and Petrify gives an engage-oriented fighter like Chou or Paquito a self-contained stun when their own kit doesn't already have one.

Jungle. Retribution is not optional. Its 35-second cooldown means it's back up for nearly every camp clear, every Turtle contest, and every Lord fight in a game, and giving it up for anything else means losing every 50/50 objective fight to the enemy jungler by default. Some jungle fighters swap to Execute or Arrival once their build no longer needs the true-damage clear speed, but this is a late-game luxury pick, not a default.

Roam. This is the one role that splits roughly evenly between engage and peel. Engage-oriented roamers like Tigreal or Atlas take Flicker or Petrify to guarantee their CC actually lands. Peel-oriented roamers and dedicated healers like Rafaela or Floryn take Aegis, Revitalize, or Vengeance depending on whether the team needs a shield, sustained healing through a siege, or a punish for divers.

The combos spells enable

The Flicker combo. Blinking in the exact instant a teammate's hook or stun lands, or blinking out the instant an enemy ultimate is cast, is the single most common high-elo outplay moment in the game. It works because Flicker has no cast animation and moves you a fixed distance instantly, so there's no windup for the enemy to react to. This is why Flicker beats every situational spell by default: the ceiling on its correct usage is higher than any other spell's floor.

Retribution steals. A well-timed Retribution on a low-HP contested Turtle or Lord can snatch the objective away from a team that appeared to already be securing it — a smite steal. Because Retribution's true damage scales with hero level and the spell itself has only a 35-second cooldown, junglers are almost always able to threaten a steal the moment an enemy starts channeling the kill, which is why contesting an objective at low HP without vision of the enemy jungler is one of the more common ways to hand over a free Lord.

Purify does not save you from suppression. Purify clears debuffs and grants brief Control Immunity, but it explicitly does not clear suppression — the CC category that fully disables a target, distinct from a stun. A hook channel from Franco or a suppression-based ultimate from Khufra will still lock you down through an active Purify. This is a common and expensive misread: Purify is the right tool for a landed stun, root, or silence, but the wrong tool for the specific CC types that beat it.

Spells people take that they shouldn't

Execute as an opener. Execute's damage scales off the target's lost HP, so using it against a full-HP enemy wastes most of its value. It's a finishing move for a target who's already low and about to escape, not a way to start a fight.

Aegis expecting laning-phase value in a late-game fight. A 750 flat shield that doesn't scale with items is significant at minute 5 and marginal at minute 20, when a single auto-attack from a farmed marksman can be several times that number. Take it for the phase of the game where it actually matters, or swap it out once your build outgrows it.

Arrival as a panic button. The 3-second channel is interrupted by any incoming damage or CC, which makes it useless as an emergency escape from a fight already in progress. Its real use is safe, uncontested repositioning — reinforcing a lane under pressure or resetting to a split-push lane — not bailing out of a losing teamfight.

Inspire without a plan to actually be in extended auto-attack range. The buffed attacks only matter if you're landing eight of them inside a 5-second window. Taking it on a hero who mostly wins fights through a burst combo rather than sustained autos, or casting it before the enemy is even in range, throws away most of the spell's value.

Trusting Purify to escape a hook you can see coming. If the threat is specifically a suppression-based engage, Sprint's slow immunity or a well-timed Flicker away from the hook's range is the actual answer — Purify will not save you once the hook connects.

What to do next

Pair your battle spell with the right emblem talents for your role, since several talents (Wilderness Blessing, Pull Yourself Together) directly interact with spell cooldowns. If you're still deciding what to build once you're in a fight, the item guide covers the counter-item table that often matters more than the spell choice itself. For how these picks change across a full draft, see team composition.