★ Butterfly Knife | Boreal Forest
Available from the Operation Breakout Weapon Case, the Butterfly Knife | Boreal Forest is a Covert balisong painted using a forest camouflage hydrographic. The butterfly knife's defining feature is its freely pivoting blade, which permits rapid deployment or concealment through a fan-like motion—a property that has resulted in its prohibition across many jurisdictions. Floats range from 0.06 to 0.80. StatTrak versions are available.
Cheapest wear we have on this page. Pattern / float overpay is extra.
Operation Breakout Weapon Case: (case+key) ÷ drop chance. Average, not a promise.
Covert / missing collection peers: no contract estimate.
Price History & Performance
Price by Wear
Cases & Drop Odds for ★ Butterfly Knife | Boreal Forest
Probability of unboxing this skin per single case open, expected number of opens until you get one, and the case's expected return based on the current market value of every skin inside.
| Case | Drop Chance | Expected Opens | Open Cost | Market EV | EV vs Cost |
|---|---|---|---|---|---|
 Operation Breakout Weapon Case | 0.0200% | 5,000 | $14.00 | $0.65 | -95.4% |
Drop chance = official rarity odds ÷ size of that rarity pool inside the case. Market EV is the probability-weighted average of every skin's lowest current listing. "EV vs Cost" compares that EV against the case + key price — negative means opening loses money on average.
Where to Buy ★ Butterfly Knife | Boreal Forest
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