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KR6 Guide

Kingdom Rush 6 spells

Nine spells, three in each battle. Reinforcements and Rain of Fire are there from the start and are the only two Classic Rush allows; the rest unlock with stars on Steam, and 5 of them are sold separately on mobile.

Reinforcements, official art

Reinforcements

Calls in two melee allies to battle enemies for 12 seconds.

Kind
Summon
Cooldown
15 s, 7.5 s in Spell Rush and Blitz
Soldiers
2
Health each
40
Physical damage
2-4
Duration
12 s
XP per cast
100
Steam
From the start
Mobile
Free
Upgrade tree (8 upgrades)
  • Combat Lessons spell level 2: Raises unit damage by 50%.
  • Lasting Presence spell level 2: Extends unit duration by 5 seconds.
  • Quality Equipment spell level 3: Boosts the units' armor by 40% and health by 15%.
  • Cardio Training spell level 4: Cuts the cooldown by 3 seconds and raises movement speed by 20%.
  • Chainmail spell level 4: Raises armor by 15%.
  • Tempered Steel spell level 5: Boosts unit damage by 50% and maximum health by 15%.
  • Spiked Armor spell level 5: Units now bounce back 20% of the damage dealt by melee attacks against them.
  • Champion Bannerman spell level 6: Summons a bannerman with 140 health that deals 10-14 physical damage; it also gives nearby units 15% extra armor and raises their damage by 10%.
Reinforcements, Rain of Fire and Royal Edict you've been using since the demo. The other six round out the set.
Rain of Fire, official art

Rain of Fire

Rains 3 burning meteors onto an area, dealing 30-45 true damage to enemies.

Kind
Damage
Cooldown
60 s, 30 s in Spell Rush and Blitz
Meteors
3
True damage per meteor
30-45
XP per cast
400
Steam
From the start
Mobile
Free
Upgrade tree (8 upgrades)
  • Hasty Spellcasting spell level 2: Shortens the spell's cooldown by 5 seconds.
  • Fiery Combustion spell level 2: Raises meteor damage by 10%.
  • Lava Spillage spell level 3: Meteors now scorch the ground, dealing 36-60 true damage over 3 seconds.
  • Heatwave spell level 4: Raises the burning floor's damage by 50% and its duration by 4 seconds.
  • Scorching Fragments spell level 4: Launches 2 additional meteors into the area.
  • Engulfing Flames spell level 5: The scorched ground slows enemies by 50% for 7 seconds.
  • Unstable Core spell level 5: Meteors detonate a second time after impact, dealing 20-25 true damage.
  • Cataclysm spell level 6: Launches 5 additional meteors across the stage and cuts the spell's cooldown by 10 seconds.
Reinforcements, Rain of Fire and Royal Edict you've been using since the demo. The other six round out the set.
Royal Edict, official art

Royal Edict

Boosts nearby towers' damage by 75% for 6 seconds.

Kind
Utility
Cooldown
50 s, 25 s in Spell Rush and Blitz
Tower damage
+75%
Duration
6 s
XP per cast
320
Steam
5
Mobile
Free
Upgrade tree (8 upgrades)
  • Blessed Sight spell level 2: Extends the towers' range by 20%.
  • Rallying Call spell level 2: All Barracks units respawn instantly.
  • Inspirational Verse spell level 3: Extends the spell's range by 50%.
  • Fierce Determination spell level 4: Strengthens the damage buff by 20%.
  • Juicy Rewards spell level 4: While the spell is active, defeated enemies give extra gold.
  • Team Efficiency spell level 5: Immediately resets tower skill cooldowns, excluding Ultimate skills.
  • Refined Fabric spell level 5: Extends the spell's duration by 33%.
  • Worldwide Decree spell level 6: The spell now affects the entire map.
Reinforcements, Rain of Fire and Royal Edict you've been using since the demo. The other six round out the set.
Teleportation Sigil, official art

Teleportation Sigil

Teleports a few enemies backward along the path.

Kind
Utility
Cooldown
45 s, 22.5 s in Spell Rush and Blitz
Enemies teleported
4
XP per cast
280
Steam
18
Mobile
In-app purchase
Upgrade tree (8 upgrades)
  • Arcane Retrace spell level 2: The delay before enemies reappear on the path increases to 2 seconds.
  • Slowed Motions spell level 2: Enemies that are teleported get slowed for 4 seconds.
  • Echoing Spell spell level 3: There is a 30% chance an enemy gets teleported again, ending up further back on the path.
  • Sigil Proficiency spell level 4: Teleportation Sigil's cooldown drops by 5 seconds.
  • Extended Reach spell level 4: Up to 6 enemies can now be teleported.
  • Motion Sickness spell level 5: Once teleported, enemies lose 50% of their damage output and are silenced for 5 seconds.
  • Induced Dizziness spell level 5: Enemies hit by a second teleport are stunned for 3 seconds.
  • Lost in Space spell level 6: Once teleported, an enemy may vanish for good with 20% probability.
The arcane arts of space displacement are often applied on the battlefield to disorganize enemy troops.
Ace Musketeers, official art

Ace Musketeers

Calls in two ranged allies who battle enemies for 12 seconds.

Kind
Summon
Cooldown
20 s, 10 s in Spell Rush and Blitz
Musketeers
2
Health each
30
Physical damage
10-16
Duration
12 s
XP per cast
133
Steam
42
Mobile
Free
Upgrade tree (8 upgrades)
  • Long Hunt spell level 2: Extends the units' duration by 4 seconds.
  • High Coverage spell level 2: Boosts the units' range by 20% and their movement speed by 20%.
  • Improved Muskets spell level 3: Raises the units' damage by 50% and their attack speed by 25%.
  • Lethal Aim spell level 4: The musketeers deal 35% bonus damage against blocked and stunned enemies.
  • Steel Core Bullets spell level 4: The musketeers' shots ignore 50% of a target's armor.
  • Faster Reload spell level 5: Cuts the summon's cooldown by 2 seconds and raises attack speed by 25%.
  • Sniper Shot spell level 5: Musketeers have a 20% chance to instantly kill enemies under 25% of their max health.
  • Shrapnel Rounds spell level 6: The musketeers' opening shot hits a small area for 56-80 explosive damage, stunning enemies for 2 seconds.
Musketeers are the latest addition to the Linirean ranks, using gunpowder rifles to take down important enemies.
Gnome's Shop, official art

Gnome's Shop also labelled Soaring Shop

Gnome's Shop stays active for 20 seconds, hurling items at enemies for 15-25 explosive damage.

Kind
Damage
Cooldown
50 s, 25 s in Spell Rush and Blitz
Explosive damage
15-25
Between attacks
0.64 s
Duration
20 s
XP per cast
320
Steam
48
Mobile
In-app purchase
Upgrade tree (8 upgrades)
  • Renowned Service spell level 2: Enlarges the explosions' area of effect by 20%.
  • Quick Restocking spell level 2: Cuts the spell's cooldown by 10 seconds.
  • Cold War spell level 3: The Gnome also starts throwing Frozotovs, hitting enemies for 10-20 explosive damage while freezing them for 1.5 seconds.
  • Modernized Catalogue spell level 4: Raises the damage of every Gnome's Shop attack by 10%.
  • Cold Chain spell level 4: Shortens the Frozotov throw's cooldown by 5 seconds.
  • Self-checkout spell level 5: Cuts the basic attack cooldown to 1.5 seconds.
  • Extended Shift spell level 5: Extends Gnome's Shop's duration to 24 seconds.
  • Explosive Deal spell level 6: Once every few attacks, the Gnome releases a mini fat-boy, dealing 100-300 explosive damage.
GNOME'S SHOP. This successful gnome shop knows no boundaries, taking his business to the skies.
Thunder Zapper, official art

Thunder Zapper

Summons a Thunder Zapper that moves along the path, dealing 240-400 true damage to an area across 10 seconds.

Kind
Damage
Cooldown
50 s, 25 s in Spell Rush and Blitz
True damage of its field
240-400
Duration
10 s
XP per cast
320
Steam
62
Mobile
In-app purchase
Upgrade tree (8 upgrades)
  • Extended Current spell level 2: Enlarges the Zapper's energy field by 25%.
  • Arc-rated Clothing spell level 2: Extends the Zapper's duration to 12 seconds.
  • Redirect Lightning spell level 3: Upgrades the coil so it fires lightning that bounces between enemies every 2 seconds, dealing 25-35 true damage per bounce.
  • Reinforced Coils spell level 4: Cuts the Zapper's cooldown by 7.5 seconds.
  • Electrifying Arcs spell level 4: Enemies hit by the Zapper's energy field are slowed by 25%.
  • Lightning Greaves spell level 5: Boosts the Zapper's energy field damage by 50%.
  • Paralyzing Bolts spell level 5: Stuns enemies near the Zapper's summon point for 3 seconds.
  • Striking Display spell level 6: Extra lightning bolts hit the Zapper's coil every 3 seconds, each dealing 80-125 true damage to an area.
Even in the past, dwarves were known for fiddling with forces such as lightning, harnessing it as a deadly weapon.
Wintersong's Wrath, official art

Wintersong's Wrath

Elora appears and conjures a blizzard around herself, slowing nearby enemies' movement speed by 40% for 8 seconds.

Kind
Utility
Cooldown
40 s, 20 s in Spell Rush and Blitz
Slow
40%
Duration
8 s
XP per cast
280
Steam
68
Mobile
In-app purchase
Upgrade tree (8 upgrades)
  • Everlasting Winds spell level 2: Extends the blizzard's duration to 12 seconds.
  • Icy Reach spell level 2: Enlarges the blizzard's area of effect by 35%.
  • Rage of the Winter spell level 3: Elora summons ice spikes that spread along every direction of the path, with each spike dealing 24-36 magic damage to enemies.
  • Winter's Advance spell level 4: Creates twice as many ice spikes along the path.
  • Heavy Snow spell level 4: The blizzard's slow is strengthened to 70% of enemy movement speed.
  • Unbreakable Ice spell level 5: Raises the ice spikes' damage by 30%.
  • Hypothermia spell level 5: Enemies struck by the ice spikes are stunned for 4 seconds.
  • Ice Age spell level 6: Elora now also slows every enemy on the stage for 6 seconds.
Elora Wintersong lends aid with her icy powers, summoning a blizzard that freezes and hinders enemies.
Aspect of Sol, official art

Aspect of Sol

Calls forth the Aspect of Sol to battle the enemy you select, dealing 42-64 true damage per attack.

Kind
Summon
Cooldown
60 s, 30 s in Spell Rush and Blitz
Health
750
True damage
42-64
Armor
50%
Duration
18 s
XP per cast
400
Steam
72
Mobile
In-app purchase
Upgrade tree (8 upgrades)
  • Ancestral Endurance spell level 2: Extends the Aspect of Sol's duration to 24 seconds.
  • Ancestral Might spell level 2: Raises the Aspect of Sol's damage by 30%.
  • Battle Rites spell level 3: The Aspect of Sol musters nearby allies, adding 30% to their damage and 30% to their armor for 5 seconds.
  • Lasting Words spell level 4: Extends the rally buff's duration by 100%.
  • Awe Inspiring spell level 4: The Aspect of Sol's arrival stuns any enemies close by for 2 seconds.
  • Judgement Strike spell level 5: Each third strike landed by the Aspect of Sol carries 98-146 true damage.
  • Dominating Presence spell level 5: In combat, the Aspect of Sol releases a warcry, slowing nearby enemies for 6 seconds.
  • Smiting Entrance spell level 6: Upon being summoned, the Aspect of Sol additionally deals 120-200 true damage to enemies in an area.
The first paladin ever to be blessed by the Lightbringer can be summoned onto the battlefield when the situation is dire to lend his hammer to those worthy.

Spell levels

Spells earn XP each time you cast them and have their own upgrade trees, and a spell that is behind your highest-level one earns double XP. They go up to level 6, which takes 120,000 XP in total. Getting any spell there earns Playing With Power, which 19.3% of Steam players have. The XP planner works out what a spell still needs.

Each spell level above 1 grants 1 upgrade point; each upgrade costs 1 point, so a level-6 spell holds 5 of its 8 upgrades. Levels 2 and 4 are pick-one-of-two; the level-5 upgrade follows the level-4 branch; levels 3 and 6 follow either. Picks can be swapped for free in the Spells room.

You take 3 spells into a stage. Spell Rush drops the heroes and speeds the spells up, and Hero Party takes spells away entirely.

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