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HatimF/
LoL_Build-Llama3B

Name: LoL_Build-Llama3B
Availability: InStock

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🧠 LoL_Build-Llama3B

A fine-tuned version of the LLaMA 3.2B model using QLoRA on a custom League of Legends build suggestion dataset. This model generates champion-specific item build recommendations based on gameplay roles and current meta.

📚 Dataset

Format: JSONL with prompt and completion fields
Example:
json
1{ 2 "prompt": "**Champion Patch Notes:**\n- Yone passive description changed across ranks.\n- Yone spell 2 tooltip changed across ranks.\n- Gwen hp decreased from 650 to 620.\n- Gwen armor decreased from 39 to 36.\n- Darius spell 2 updated.\n- Darius armor decreased from 39 to 37.\n- Varus spell 2 tooltip changed across ranks.\n\nYou are playing Darius (fighter/tank) on the TOP lane against Teemo (marksman/mage).\nYour team consists of Gwen, Varus, Yone, Rakan, while the enemy team includes Teemo, Nunu, Pyke, Aphelios, Poppy.\nYou have the summoner spells Flash, Ghost and the runes Conqueror, Triumph, Legend: Alacrity, Last Stand, Second Wind, Overgrowth.\nYour opponent uses Flash, Ignite and the keystone rune Press the Attack. What items should you build during the early, mid, and late game?" 3 , 4 "completion": "**Early Game:**\nBuy Doran's Shield\nInventory (1): Doran's Shield\n\nBuy Rejuvenation Bead\nInventory (2): Doran's Shield, Rejuvenation Bead\n\nBuy Boots\nInventory (3): Doran's Shield, Rejuvenation Bead, Boots\n\nBuy Null-Magic Mantle\nInventory (4): Doran's Shield, Rejuvenation Bead, Boots, Null-Magic Mantle\n\nBuild Mercury's Treads (fusing Boots + Null-Magic Mantle)\nInventory (3): Doran's Shield, Rejuvenation Bead, Mercury's Treads\n\nBuy Long Sword\nInventory (4): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Long Sword\n\n**Mid Game:**\nBuild Phage (fusing Ruby Crystal + Long Sword)\nInventory (4): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Phage\n\nBuy Long Sword\nInventory (5): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Phage, Long Sword\n\nBuild Stridebreaker (fusing Tiamat + Phage + Dagger)\nInventory (4): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Stridebreaker\n\nBuy Ruby Crystal\nInventory (5): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Stridebreaker, Ruby Crystal\n\nBuild Winged Moonplate (fusing Ruby Crystal)\nInventory (5): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Stridebreaker, Winged Moonplate\n\nBuy Chain Vest\nInventory (6): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Stridebreaker, Winged Moonplate, Chain Vest\n\nBuild Dead Man's Plate (fusing Winged Moonplate + Ruby Crystal + Chain Vest)\nInventory (5): Doran's Shield, Rejuvenation Bead, Mercury's Treads, Stridebreaker, Dead Man's Plate\n\n**Late Game:**\nSell Rejuvenation Bead\nInventory (4): Doran's Shield, Mercury's Treads, Stridebreaker, Dead Man's Plate\n\nBuy Pickaxe\nInventory (5): Doran's Shield, Mercury's Treads, Stridebreaker, Dead Man's Plate, Pickaxe\n\nBuy Tunneler\nInventory (6): Doran's Shield, Mercury's Treads, Stridebreaker, Dead Man's Plate, Pickaxe, Tunneler\n\nBuild Sterak's Gage (fusing Pickaxe + Tunneler + Ruby Crystal)\nInventory (5): Doran's Shield, Mercury's Treads, Stridebreaker, Dead Man's Plate, Sterak's Gage\n\nBuy Chain Vest\nInventory (6): Doran's Shield, Mercury's Treads, Stridebreaker, Dead Man's Plate, Sterak's Gage, Chain Vest\n\nSell Doran's Shield\nInventory (5): Mercury's Treads, Stridebreaker, Dead Man's Plate, Sterak's Gage, Chain Vest\n\nBuy Null-Magic Mantle\nInventory (6): Mercury's Treads, Stridebreaker, Dead Man's Plate, Sterak's Gage, Chain Vest, Null-Magic Mantle\n\nBuild Negatron Cloak (fusing Null-Magic Mantle)\nInventory (6): Mercury's Treads, Stridebreaker, Dead Man's Plate, Sterak's Gage, Chain Vest, Negatron Cloak\n\n**Final inventory:**\nMercury's Treads, Stridebreaker, Dead Man's Plate, Sterak's Gage, Chain Vest, Negatron Cloak" 5}

🏋️‍♂️ Training Configuration

Hyperparameter	Value
Base Model	unsloth/Llama-3.2-3B-bnb-4bit
Epochs	1
Max Steps	4751
Batch Size	16
Max Sequence Length	1024
Gradient Accumulation	1
Learning Rate	2e-4
Weight Decay	0.01
Optimizer	AdamW (8bit)
Precision	BF16 (fallback to FP16)
LoRA Config	r=16, alpha=32, dropout=0.05
Random Seed	1515

📏 Evaluation Metrics

Evaluated using BLEU, ROUGE-L, and Exact Match on validation prompts.

Metric	Value
BLEU	0.874
ROUGE-L	0.930

📊 Final Training Metrics

Metric	Value
Final Training Loss	0.1162
Final Eval Loss	0.1189
Final Grad Norm	0.1153
Eval Runtime	3341.30 sec
Eval Samples/sec	2.527
Eval Steps/sec	0.316
Effective Training Steps	4750

⚙️ Usage

python

from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("HatimF/LoL_Build-Llama3B")
model = AutoModelForCausalLM.from_pretrained("HatimF/LoL_Build-Llama3B")

prompt = """**Champion Patch Notes:**

Matchup: Shaco (assassin) vs Reksai (JUNGLE lane).
Allies: Riven, Zoe, Cassiopeia, Nautilus.
Enemies: Fiora, RekSai, Akali, Kaisa, Alistar.
You are equipped with Smite, Ignite and runes Hail of Blades, Sudden Impact, Sixth Sense, Relentless Hunter, Magical Footwear, Cosmic Insight.
Your opponent has Flash, Smite and keystone Conqueror.
Suggest a build for early, mid, and late game."""

inputs = tokenizer(prompt, return_tensors="pt")
outputs = model.generate(**inputs, max_new_tokens=100)
print(tokenizer.decode(outputs[0], skip_special_tokens=True))

🧠 Intended Use

Application: Suggests champion item builds for League of Legends based on role.
Limitations:
- May suggest deprecated or invalid items if outdated.

Github

https://github.com/HatimFertat/lol_builds