TFT Set 18 4-cost champions are very important in the mid and late game. In many cases, they become the main carry or the team’s strongest tank. However, some units can also provide crowd control and useful effects for their allies.
Therefore, finding the right 4-cost champion can quickly improve your board. In addition, a strong 4-cost unit can help you save HP. This gives you more time to build a better late-game team.
In TFT Set 18: K.O. Coliseum, players can choose from 14 different 4-cost champions. Moreover, each unit has a unique skill and trait set. Because of this, learning what each champion does can help you make better choices.
For more meta team comps, visit https://op.gg/tft/meta-trends/comps.

TFT Set 18 4-Cost Champions Overview
The 4-cost pool in TFT Set 18 offers many different play styles. For example, some champions are strong AP carries. On the other hand, others focus on AD damage. Meanwhile, several units work mainly as tanks or support champions.
| Champion | Traits | Main Role |
|---|---|---|
| Ahri | Spirit Blossom / Arcanist | AP Carry |
| Amumu | Inferno / Juggernaut | Tank, CC |
| Golem | Wildwood / Hunter | Tank, Utility |
| Aphelios | Moon / Multistriker | AD Carry |
| Red Thorn | Wildwood / Ravager | AD Fighter |
| Ezreal | Mythic Forest / Executioner | AD Carry |
| Lillia | Fairy / Warden | Tank, CC |
| Malphite | Blackthorn / Colossus | Main Tank |
| Morgana | Dark Fey / Arcanist | AP Carry |
| Nidalee | Primal / Adaptive | AP or AD Carry |
| Sett | Spirit Blossom / Bruiser | Frontline Tank |
| Sivir | Primal / Hunter | AD Carry |
| Soraka | Flora / Executioner | AP Carry |
| Zyra | Thorn Garden / Summoner | AP Carry |
As a result, players have many ways to build their teams. You can build around one powerful 4-cost carry. Alternatively, you can use several 4-cost units to complete your composition.
All 14 TFT Set 18 4-Cost Champions
Each 4-cost champion has a different job. Therefore, you should understand their skills before choosing one. In particular, this can help when you roll at Level 7 or Level 8.
1. Ahri
Ahri belongs to Spirit Blossom and Arcanist. Therefore, she is one of the main AP carries in the 4-cost pool. Her Spirit Orb targets the area with the most enemies. Then, it deals magic damage in an area. As a result, Ahri can hit several targets with one cast.
Moreover, she works well with Arcanist teams. The extra Ability Power can make her spells even stronger. Because of this, Ahri is a good choice when your team needs magic damage.

2. Amumu
Amumu belongs to Inferno/Juggernaut. He mainly works as a tank with strong crowd control. His Anger skill heals Amumu while dealing magic damage to nearby enemies. In addition, he can stun targets during the fight.
If an enemy is Burning, the stun can last for 2.5 seconds. Therefore, Amumu can give your carries more time to attack.
Meanwhile, his healing helps him stay on the frontline. As a result, he can protect weaker units during long fights.

3. Golem
Golem is a Wildwood/Hunter unit. However, he is more than a simple tank. His skill also gives useful crowd control. With Blue Shockwave, Golem gains a shield. Then, he sends an energy crack toward a group of enemies.
The skill deals damage and knocks enemies up. In addition, it increases their mana cost. Therefore, Golem can slow down enemy skill casts.
Moreover, Blue Buff can make him even more useful. He can cast more often and provide more value to his team. Because of this, Golem can support both the frontline and backline.

4. Aphelios
Aphelios is a Moon/Multistriker AD carry. He usually works from the backline and deals strong physical damage. His Moonlight Barrage lets him attack for two seconds. After that, he fires an energy beam at nearby enemies.
The final attack is stronger when fewer enemies remain. Therefore, Aphelios can become more dangerous as the fight goes on.
However, he still needs protection. For this reason, a strong frontline is very important when playing Aphelios.

5. Red Thorn
Red Thorn belongs to Wildwood/Ravager. He is a melee fighter who focuses on physical damage. His Crimson Fury gives him 80% more Attack Damage for eight seconds. At the same time, it lets him ignore part of the enemy’s Armor.
After Red Thorn gets a kill, he jumps to another target. As a result, he can keep attacking without losing much time.
Moreover, he is useful against teams with strong tanks. Red Buff can also give him more damage and sustain. Therefore, it can be a useful item choice for longer fights.

6. Ezreal
Ezreal belongs to Mythic Forest/Executioner. He is an AD carry with high mobility. His Wild Rush moves him away from his current target. At the same time, it gives him more Attack Speed.
Every fourth cast fires an energy beam. The beam can hit several enemies in a line. However, its damage drops after each target.
Therefore, positioning is very important for Ezreal. A good angle can help him hit more enemies. As a result, he can deal much more damage during each fight.

7. Lillia
Lillia is a Fairy/Warden champion. She combines defense with strong crowd control. Her Deep Forest Lullaby restores some Health. Then, she sends four butterflies toward nearby enemies.
Enemies hit by the skill take magic damage. In addition, they fall asleep for 1.5 seconds. Because of this, Lillia can interrupt enemy attacks. She can also give your backline more time to cast. However, sleeping enemies wake up after taking enough damage.
Therefore, her skill works best when your team can control its damage. Otherwise, your carries may wake the targets too quickly.

8. Malphite
Malphite is a Blackthorn/Colossus tank. He is designed to absorb heavy damage. His Petrified Bark gives him a large shield for four seconds. Then, when the shield breaks, Malphite deals magic damage to nearby enemies.
In addition, the Colossus trait improves his defenses. The bonus depends on how many enemies target him.
Therefore, Malphite works well as a solo frontline unit. He can draw enemy attacks while your carries deal damage from behind.

9. Morgana
Morgana is a Dark Fey/Arcanist AP champion. Unlike burst carries, she performs better in long fights. Her Withering Curse hits three nearby enemies. Then, it creates areas that deal magic damage over time.
Moreover, Morgana has 25% Omnivamp by default. Because of this, she can recover Health while dealing damage.
For this reason, defensive items can work well on her. More durability lets her survive longer. As a result, she can cast more spells during each fight.

10. Nidalee
Nidalee is one of the most flexible TFT Set 18 4-cost champions. This is mainly because of her Adaptive trait. With an AP build, Nidalee gains Attack Speed. Then, her next three attacks become magic-damage spears.
On the other hand, her AD form turns her into a melee fighter. She can jump to a target and ignore part of its Armor.
Therefore, Nidalee is a great option when you need flexibility. You can change her build based on your items. In addition, she can fit different team styles.

11. Sett
Sett belongs to Spirit Blossom/Bruiser. He mainly works as a frontline tank. His passive gives him 100 mana when he first drops below 40% Health. Therefore, he can cast his skill very quickly at a key moment. His Dragon Punch also restores Health. After that, Sett hits enemies in a wide cone and deals physical damage.
As a result, Sett can survive a dangerous moment and fight back. Moreover, the Bruiser trait can make him even harder to kill.

12. Sivir
Sivir is a Primal/Hunter AD carry. Her main strength comes from her bouncing projectile. Her Boomerang Blade hits the current target first. Then, it bounces between nearby enemies.
If the skill kills a target, it gains three more bounces. Therefore, Sivir can deal even more damage after an early kill.
In particular, she works well against teams with many weak units. She can also perform well against teams that use summons.

13. Soraka
Soraka belongs to Flora/Executioner. She is a magic damage carry with strong single-target pressure. Her Starfall drops a star on her current target. If that target has already been hit, Soraka calls down three more stars.
As a result, she can deal heavy damage to the same enemy over time. This makes her useful against high-Health tanks. Moreover, the Flora trait can give her more mana after a kill. Therefore, Soraka can cast more often as her team gets takedowns.

14. Zyra
Zyra is a Thorn Garden/Summoner AP champion. She focuses on steady damage rather than quick burst. Her Overgrowth summons two plants onto the battlefield. Then, each plant attacks nearby enemies several times.
The plants deal magic damage with every attack. In addition, they give the enemy more targets to deal with.
Because of this, Zyra can be strong in long fights. She works especially well when her team can protect her. Therefore, she has enough time to summon plants and deal steady damage.

Which 4-Cost Champions Should You Play?
The best TFT Set 18 4-cost champion depends on your items and board. Therefore, you should not force the same carry every game. For example, if you have AP items, consider Ahri, Morgana, Soraka, or Zyra. These champions can make good use of Ability Power items.
On the other hand, AD items are better suited to Aphelios, Ezreal, and Sivir. Red Thorn is also useful when your team needs a melee damage dealer. Meanwhile, Amumu, Lillia, Malphite, and Sett can help when your frontline is weak. They can absorb damage and give your carries more time to attack. Nidalee is another flexible option. She can use both AP and AD items. Therefore, she is useful when your final team is not clear yet.
Most importantly, check your items first. Then, look at your traits and current board. Finally, choose the 4-cost unit that fits your team best.
Conclusion
The TFT Set 18 4-cost champions offer many ways to improve your board. Some are powerful carries. Others provide defense, crowd control, or useful utility. There are 14 units in total. Moreover, each one has a different role and play style. Therefore, learning their skills can help you make better choices.
However, finding a 4-cost champion does not always mean you should play it. You still need to consider your items, traits, economy, positioning, and board strength.
In the end, flexibility is the key to success. Know when to change your carry. Also, know when to add another tank or support unit.
As a result, players who understand the full 4-cost pool can adapt more easily. With the right choices, these champions can help you build a powerful late-game team in TFT Set 18: K.O. Coliseum.
Read more:
How to Play Blackthorn Warwick TFT Set 18
How to Play Spellweaver Ahri in TFT Set 18
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