Riftbeast Pebbles is a strong reroll team in TFT Set 18. The comp uses Pebbles as its main carry. Krug serves as the main tank. Brambleback adds extra damage.
This team works best with a slow-roll strategy. Therefore, you should not rush to higher levels. Instead, save gold and look for 3-star Pebbles. After that, you can level up and add more Riftbeasts.
For more meta team comps, visit https://op.gg/tft/meta-trends/comps.

Riftbeast Pebbles Team Comp
The main goal is to reach 9 Riftbeasts. You can also activate 2 Invoker and 2 Ravager.
Your late-game board can include:
- Cinderling
- Pebbles
- Gromp
- Murkwolf
- Scuttlecrab
- Krug
- Mama Beak
- Brambleback
- Sentinel
This setup gives you a strong mix of damage and defense. Pebbles deals magic damage from the backline. Meanwhile, Krug protects your team. Brambleback also adds useful damage.
The Riftbeast trait is the core of the comp. It becomes stronger as you add more Riftbeasts. Therefore, you should work toward the higher trait bonuses during the game.
Why Play Riftbeast Pebbles?
There are several reasons to play this composition.
First, Pebbles is a 1-cost unit. This makes her easy to reroll early. You can also build your economy while searching for copies.
Second, the team has strong trait synergy. Riftbeast gives the comp its main power. Invoker also helps your units cast more often.
Finally, the team has a clear item plan. Pebbles wants AP and mana items. Krug needs defensive items. Brambleback can use leftover fighter items.
As a result, the comp is easy to understand and build.
Early Game Strategy
Start by building your Riftbeast core.
Look for:
Pebbles + Cinderling + Gromp + Scuttlecrab
Try to activate Riftbeast as soon as possible. This gives your early board more power. However, do not spend all your gold too early. Your main target is still 3-star Pebbles.
Instead, build your economy first. Keep every Pebbles copy you find. Also, hold useful Riftbeast units. If your early board is strong, you can play for a win streak. On the other hand, a loss streak can also work. It gives you extra economy and can help with item priority.
Most importantly, stay flexible.

When to Reroll
Rerolling is the most important part of this strategy. Pebbles costs only 1 gold. Therefore, you want to reroll at a low level. This gives you better odds of finding her.
Save your gold until you have a good amount available. Then, spend gold to search for Pebbles. Keep other Riftbeasts when they appear. However, do not spend too much gold on minor upgrades.
Your first major goal is simple: Get 3-star Pebbles.
Once she reaches 3 stars, stop spending heavily on rerolls. Then, start leveling your team.
Best Pebbles Items
Pebbles is your main carry. Therefore, she should receive your best AP items.
The recommended items are:
- Blue Buff
- Jeweled Gauntlet
- Rabadon’s Deathcap
Blue Buff gives Pebbles more mana. As a result, she can cast her ability more often. Jeweled Gauntlet increases her magic damage. It also gives her stronger critical strikes.
Rabadon’s Deathcap adds even more ability power. Therefore, it greatly improves her damage. Together, these items give Pebbles strong and consistent damage.
Still, you do not need to force the exact set. Use similar AP or mana items when needed.

Best Krug Items
Krug is your main frontline tank. He needs strong defensive items.
The best options include:
- Gargoyle Stoneplate
- Spirit Visage
- Warmog’s Armor
Gargoyle Stoneplate is useful when Krug takes attacks from many enemies. Spirit Visage improves his durability and healing.
Warmog’s Armor gives him a large health boost. Therefore, Krug can survive longer on the frontline. You can also use other tank items. Armor, magic resistance, and health are all useful.
The most important thing is to keep Krug alive.
Best Brambleback Items
Brambleback is your secondary damage dealer. Give him your remaining fighter items.
A strong setup is:
- Bloodthirster
- Sterak’s Gage
- Titan’s Resolve
Bloodthirster gives Brambleback sustain. This helps him stay in combat longer. Sterak’s Gage adds extra durability. It becomes especially useful when his health drops.
Titan’s Resolve also works well in long fights. It lets Brambleback become stronger as combat continues. Therefore, he can deal damage while also helping your frontline.
Leveling Strategy
Riftbeast Pebbles does not need a fast-leveling strategy.
Instead, follow a simple plan.
Early Game
Build your Riftbeast core. Save gold and collect Pebbles copies. Do not spend too much gold on levels. Your economy is important.
Mid Game
Slow roll for 3-star Pebbles. At the same time, collect other Riftbeasts. Do not chase every upgrade. Pebbles is your main priority.
After 3-Star Pebbles
Once Pebbles reaches 3 stars, start leveling. Now, your goal changes. You want to add more Riftbeasts.
This will increase your trait power. It will also improve your overall board.

Late Game
Complete the team with Mama Beak and Sentinel. Then, push toward 9 Riftbeasts if possible. If you have enough gold, you can also reach another level.
This gives you more options for your final board.

How to Use Alpha Mark
Alpha Mark is an important part of the Riftbeast trait. It lets you improve a Riftbeast unit. Therefore, choosing the right target matters. Pebbles is often a good choice. This is especially true when she is 3 stars and has her core items.
However, do not always use the mark on Pebbles. Check your board first. For example, another Riftbeast may have a stronger upgrade. In that case, marking that unit could give you more value.
So, always consider your current board before making the choice.
Positioning Guide
Good positioning can make this comp much stronger.
First, place Krug in the frontline. He should take the first attacks. Brambleback and Scuttlecrab can also stand near the front. They can help protect your backline.
Next, place Pebbles in the backline. Keep her away from enemy threats. Your goal is to let Pebbles cast several times. Therefore, keeping her alive is very important. Also, watch your opponents. Some enemies may target your backline directly. If that happens, move Pebbles to a safer position.
Finally, avoid placing every unit together. This helps reduce damage from enemy area attacks.
Recommended Augments
Economic Augments are useful for this composition. They help you reroll and build your economy. Augments that support Riftbeasts are also strong. They can improve your team and help you reach important trait breakpoints.
Defensive Augments can work well too. They make Krug and your other frontline units harder to kill.
However, always consider your current board. Your items and units should guide your Augment choice.

When Should You Play Riftbeast Pebbles?
You should consider this comp when you find Pebbles early. Good AP items are another positive sign. For example, Blue Buff and Jeweled Gauntlet are excellent starts. Finding several Riftbeasts early is also helpful. It allows you to activate the trait faster.
However, avoid forcing the comp when many players want Pebbles. Your rerolls may become too difficult. In that case, you could waste a lot of gold. You may also fail to reach 3-star Pebbles.
Therefore, check the lobby before committing.
Final Thoughts
Riftbeast Pebbles TFT Set 18 is a simple and effective reroll composition. It has a clear win condition and a strong late-game trait.
First, build your economy. Then, collect Pebbles and slow roll for her 3-star upgrade. fterward, level up and add more Riftbeasts. Your final goal is to reach the higher Riftbeast breakpoints.
For items, give Blue Buff, Jeweled Gauntlet, and Rabadon’s Deathcap to Pebbles. Next, use Gargoyle Stoneplate, Spirit Visage, and Warmog’s Armor on Krug. Finally, give Brambleback your remaining fighter items.
Most importantly, use Alpha Mark carefully. Also, adjust your positioning every round. With the right items and upgrades, Riftbeast Pebbles can be a powerful TFT Set 18 strategy.
Read more:
TFT Set 18 Fire Trait: The Best Flexible Synergy
How to Play Sovereign Flora in TFT Set 18
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