Yo, fellow wanderers! 🎮 Ever been stuck on a season goal in Once Human and thought, 'Bro, how am I supposed to do THIS?' I feel you. The world is huge, the rewards are sweet, but some challenges are just... cryptic. One that had me scratching my head for a bit was the 'Treant Challenge Using Incendiary Blast.' It sounds simple, right? Just burn something. But which something? And how? Don't worry, I gotchu. Let's break this down step-by-step, so you can grab those sweet, sweet season rewards without the headache. First things first, you gotta get to the right spot. This isn't something you can stumble upon in the starting zone.
🌲 Step 1: Unlock Gaia Cliff Monolith
This is the non-negotiable first step. You can't even attempt this challenge if you haven't unlocked the Gaia Cliff Monolith. How do you get there? Just follow the main story quests! The game will naturally guide you there as you progress. Think of it like the game's way of saying, 'Alright, you're ready for this next test.' So, if you're seeing this goal in your season tab but haven't been to Gaia Cliff yet, it's time to power through some main missions.

See that 'Treant Challenge' chilling in the list? That's our target.
🧪 Step 2: Get Your Burn Tool - The Molotov
Now, the challenge specifically says 'Incendiary Blast.' In Once Human, that's our good old friend, the Molotov Cocktail. 🍾 The best part? The rarity doesn't matter! You can use the basic, common Molotov or a fancy improved one. The effect is the same for completing the challenge. So, no need to grind for epic crafting mats just for this. Just craft or find one regular Molotov, and you're set. Easy!
🎯 Step 3: Start the Fight & Find the Right Target
Head to the Gaia Cliff Monolith and start the Treant boss challenge. You can do this solo or with friends—the challenge completion works either way. Once you're teleported into the arena, you'll see the big, scary Treant boss in the center. But here's the key: IGNORE THE BOSS (for now). Your target isn't the giant tree monster itself.
Look around the edges of the arena. You'll see three Tangled Vines. These are the adds, the minions. For this challenge, one of these vines is your prime target.

This is the moment! Lining up the fiery finish.
🔥 Step 4: The Execution - Weakness Then Fire!
This is the crucial part. You can't just hurl the Molotov at a full-health vine and call it a day. Here's the exact sequence:
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Pick the closest vine. Most guides, including my own testing, found the vine on the right side (as you enter the arena) to be the most accessible. Less running around while dodging the boss.
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Weaken it with your regular weapons. Use your guns, melee, whatever you have. Attack the Tangled Vine until its health bar is visibly very low—like, one or two more hits away from death.
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Switch to your Molotov. This is the grand finale! 🎇 Throw the Molotov Cocktail directly at the weakened vine. The incendiary damage needs to be what actually destroys it and removes its last bit of health.
If you do it right...
✅ Step 5: Claim Your Victory!
BOOM! 💥 The vine should burn away, and you should immediately see a notification pop up on your screen confirming the challenge completion. It might say something like 'Season Goal Completed: Treant Challenge Using Incendiary Blast.' That's your signal that you nailed it!
You can then finish the boss fight (or bail if you just came for the challenge) and collect your season rewards. Those rewards are no joke—they're essential for leveling up, getting new gear, and all the good stuff that makes exploring the weird world of Once Human so rewarding.
Quick Recap & Pro Tips:
To make it super clear, here's the checklist:
| Step | Action | Key Note |
|---|---|---|
| 1 | Progress Main Story | Unlocks Gaia Cliff Monolith |
| 2 | Get 1 Molotov | Any rarity works! |
| 3 | Start Treant Challenge | Solo or Co-op okay. |
| 4 | Locate Tangled Vines | There are three around the boss. |
| 5 | Attack Right-Side Vine | Weaken it to near-death with weapons. |
| 6 | Throw Molotov for final hit | Must be the killing blow! |
| 7 | See Completion Notification | Collect your season reward. |
Pro Tips:
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🛡️ If you're doing this solo, keep an eye on the main Treant boss while you're whittling down the vine. Its attacks can still mess you up!
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🔄 If you don't get the notification, the Molotov wasn't the final blow. Just reset, try again, and make sure the vine's health is SUPER low before you throw.
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🎮 This challenge is a great example of how Once Human mixes combat with specific conditions. Always read those season goals carefully!
So there you have it! What seemed like a vague task is actually pretty straightforward once you know the secret. It's all about targeting the add, not the boss, and using fire for the final hit. Go out there, complete that challenge, and boost your season progress. Happy hunting, and don't forget to explore every corner—you never know what other secrets you might find! 😉