Kha Y Tran In Teamfight Tactics (TFT) Set 17: Cosmic Realm, the Ancient trait stands out as one of the strongest reroll strategies. To begin with, it snowballs extremely fast from the early game. At the same time, it remains easy to build and highly flexible. Because of that, many players rely on it to climb ranked efficiently. In fact, it performs well even in contested lobbies if played correctly.
If you are looking for a reliable and consistent composition, then this is definitely a strategy worth mastering.
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Overview of the Ancient Trait in TFT Set 17
The Ancient trait revolves around converting damage taken into damage dealt. As a result, your units become both tanky and dangerous in extended fights. In other words, the longer they survive, the more damage they return. Therefore, this trait naturally favors sustained combat.
Trait Effects:
- 8% of damage taken is converted into bonus damage dealt
- (2) Spawn Swarm units based on star level
- (3) Spawn more Swarms and, additionally, gain a 1–2 gold unit every round
Because of this, you continuously receive free units. Consequently, rerolling becomes much easier and more efficient. Moreover, your economy improves without relying entirely on interest.
Ancient Units List
This composition relies on low-cost champions. For that reason, it is very easy to assemble early in the game. Specifically, you will focus on:
- Briar (1-cost) – Super Beast / Void Mage
- Rek’Sai (1-cost) – Bruiser
- Bel’Veth (2-cost) – Duelist / Raider
Overall, this setup perfectly supports a low-level reroll strategy. In addition, it allows you to stabilize quickly without heavy investment.
Why You Should Play Ancient
1. Strong Early and Mid Game
First and foremost, you can activate 3 Ancient very early. Because of that, you gain a huge tempo advantage. As a result, you can either win streak or, alternatively, maintain a controlled loss streak for economy. Either way, you stay ahead of the lobby.
2. Excellent Economy
Moreover, the free unit generation each round helps you save gold. At the same time, it increases your chances of hitting upgrades. Consequently, you can reach 3-star units faster. In addition, you maintain stable interest throughout the game.
Therefore, your economy becomes significantly more efficient compared to standard comps.
3. Easy to Play and Consistent
In addition, the game plan is straightforward:
- Slow roll at the right timing
- Upgrade your core units to 3-star
As a result, reaching Top 4 becomes much more consistent.
Core Gameplay Strategy
Early Game (Stage 2 → 3-1)
At the start:
- Prioritize picking up Briar, Rek’Sai, and Bel’Veth
- Activate 2 or 3 Ancient as soon as possible
At the same time:
- Consider a controlled lose streak to build economy
- Avoid leveling up too early
- Take advantage of the free unit mechanic
Mid Game (3-1 → 4-1)
This is the most important phase:
- At 3-1, roll down to around 25 gold
- Focus on upgrading:
- Briar to 3-star
- Rek’Sai to 3-star
- Bel’Veth to 3-star
After that:
- Slow roll at level 5
- Complete your full 3-star board
If executed correctly, you will have a massive power spike heading into Stage 4.
Late Game (After 4-2)
Once your reroll core is complete:
- You can:
- Replace Briar or Rek’Sai
- Add stronger 4–5 cost units
This helps you scale better and avoid falling off in the late game.
Best Items for the Ancient Comp
Main Carry: Bel’Veth
Since Bel’Veth is your primary damage dealer, prioritize:
- Guinsoo’s Rageblade
- Giant Slayer
- Bloodthirster
These items boost attack speed and sustain, allowing her to carry fights effectively.
Main Tank: Rek’Sai
For frontline durability, build:
- Warmog’s Armor
- Gargoyle Stoneplate
- Dragon’s Claw
This ensures your frontline survives long enough for your carry to scale.
Optional Carry: Briar
If you manage to 3-star Briar, you can also itemize her:
- Archangel’s Staff
- Blue Buff
Best Synergies with Ancient
Because the traits are easy to activate, you can flex into multiple variations:
1. Ancient + Bruiser
- Strong frontline
- Very stable gameplay
2. Ancient + Duelist
- Higher attack speed for Bel’Veth
- Faster scaling
3. Ancient + Super Beast
- High-risk, high-reward “cash out” playstyle
- Ideal for aggressive players
Tips to Climb More Effectively
- Always maintain 50 gold while slow rolling
- Do not roll too early before 3-1
- Prioritize Bel’Veth 3-star if resources are limited
- Scout other players to avoid heavy contesting
If too many players are forcing Ancient, consider pivoting.
When Should You Play Ancient?
You should commit to this comp when:
- You hit multiple Ancient units early
- The comp is uncontested
- You get economy or reroll-focused augments
On the other hand, avoid forcing it if:
- Too many players are playing reroll comps
- You cannot find Bel’Veth
Conclusion
In conclusion, the Ancient comp in TFT Set 17 is both powerful and accessible. Not only does it offer strong early and mid game pressure, but it also provides excellent economic value.
To sum up, if you manage your gold well, roll at the right time, and stay flexible, then you can consistently achieve high placements.
Ultimately, this is a comp that is easy to play, easy to scale, and highly reliable, making it one of the best reroll strategies in TFT Set 17.
For more meta team comps, visit https://op.gg/tft/meta-trends/comps.
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Quynh Bui 
