Scaling Type:
Linear scaling for proc chance, BONK damage multiplier, and explosion radius
Fixed explosion damage (equal to hit damage)
Fixed 1.25× explosion knockback
Detailed Explanation
Big Bonk gives your attacks a chance to create a BONK effect that deals massive damage to enemies. (20x hit damage with 1 copy)
How it works:
- When it procs, it deals massive damage to the hit enemy (20x whatever proc'd it with 1 copy)
- The BONK also creates an explosion that damages nearby enemies. (7 meters with 1 copy)
BONK damage formula:
The main target takes:
Where
- $ n $ = number of Big Bonk copies
- HitDamage = the damage from the attack that triggered it
Explosion mechanics:
After the BONK hits the main target, it creates an explosion that:
- Damages all enemies within a radius around the hit enemy
- Each enemy in the explosion takes damage equal to the original hit damage (not the BONK damage)
- Applies 1.25× knockback to enemies hit by the explosion
Explosion radius formula:
Where
- $ n $ = number of Big Bonk copies
- Radius is capped at 10.0 units maximum
Examples:
- 1 copy → radius = 7.0 units
- 2 copies → radius = 8.0 units
- 3 copies → radius = 9.0 units
- 4 copies → radius = 10.0 units (capped)
- 5+ copies → radius = 10.0 units (capped)
Notes on potential proc limitations:
In the decompiled code there is some evidence suggesting that Big Bonk can max proc up to 5 times per game tick. This would mean that even if you hit many enemies in a single frame, you'll only spawn a maximum of 5 BONKs per tick.
When testing in game this was hard to verify. Sometimes it looks like it can tick more than 5 times per tick, but I couldn't verify the behavior with 100% certainty here. In code the hard cap is 5 procs per tick though.
How it works:
- When it procs, it deals massive damage to the hit enemy (20x whatever proc'd it with 1 copy)
- The BONK also creates an explosion that damages nearby enemies. (7 meters with 1 copy)
BONK damage formula:
The main target takes:
$$
\text{BONKDamage}(n) = \text{DamageMultiplier}(n) \times \text{HitDamage}
$$
Where
$$
\text{DamageMultiplier}(n) = 20.0 + (n - 1) \times 10.0
$$
- $ n $ = number of Big Bonk copies
- HitDamage = the damage from the attack that triggered it
Explosion mechanics:
After the BONK hits the main target, it creates an explosion that:
- Damages all enemies within a radius around the hit enemy
- Each enemy in the explosion takes damage equal to the original hit damage (not the BONK damage)
- Applies 1.25× knockback to enemies hit by the explosion
Explosion radius formula:
$$
\text{Radius}(n) = \min(n + 6.0,\ 10.0)
$$
Where
- $ n $ = number of Big Bonk copies
- Radius is capped at 10.0 units maximum
Examples:
- 1 copy → radius = 7.0 units
- 2 copies → radius = 8.0 units
- 3 copies → radius = 9.0 units
- 4 copies → radius = 10.0 units (capped)
- 5+ copies → radius = 10.0 units (capped)
Notes on potential proc limitations:
In the decompiled code there is some evidence suggesting that Big Bonk can max proc up to 5 times per game tick. This would mean that even if you hit many enemies in a single frame, you'll only spawn a maximum of 5 BONKs per tick.
When testing in game this was hard to verify. Sometimes it looks like it can tick more than 5 times per tick, but I couldn't verify the behavior with 100% certainty here. In code the hard cap is 5 procs per tick though.
How it Stacks
Big Bonk scales linearly with the number of copies in three ways:
Each copy increases the proc chance:
Where $ n $ = number of Big Bonk copies
Examples:
- 1 copy → 2.0% proc chance
- 2 copies → 3.5% proc chance
- 3 copies → 5.0% proc chance
- 5 copies → 8.0% proc chance
- 10 copies → 15.5% proc chance
- 50 copies → 75.5% proc chance
- 66 copies → 99.5% proc chance
- 67 copies → 101.0% proc chance (guaranteed proc)
When proc chance exceeds 100%:
When the proc chance exceeds 100%, Big Bonk will always proc (guaranteed proc on every hit). However, it still only procs once per hit, not multiple times. The proc chance is effectively capped at 100% for the purpose of determining if it procs.
Note: The first copy gives 2% base chance, and each additional copy adds +1.5% chance.
Each copy increases the damage multiplier:
Where $ n $ = number of Big Bonk copies
Examples:
- 1 copy → 20.0× damage
- 2 copies → 30.0× damage
- 3 copies → 40.0× damage
- 5 copies → 60.0× damage
- 10 copies → 110.0× damage
Note: The first copy gives 20× damage, and each additional copy adds +10× damage.
The explosion radius scales linearly but is capped:
Where $ n $ = number of Big Bonk copies
Examples:
- Explosion damage: Always equal to the original hit damage (does not scale with copies)
- Explosion knockback: Always 1.25× the original knockback (does not scale with copies)
- Max procs per tick: Always 5 (does not scale with copies)
Key points:
- More copies = higher proc chance, more damage, and larger explosion radius
- The explosion radius caps at 4 copies (10.0 units)
- Explosion damage to nearby enemies is always equal to the original hit damage
- The main target takes the massive BONK damage multiplier
- At 100%+ proc chance, Big Bonk will proc on every hit (guaranteed), but still only once per hit, and is probably limited by the 5 procs per tick cap
1. Proc Chance (Linear Scaling)
Each copy increases the proc chance:
$$
\text{ProcChance}(n) = 0.02 + (n - 1) \times 0.015
$$
Where $ n $ = number of Big Bonk copies
Examples:
- 1 copy → 2.0% proc chance
- 2 copies → 3.5% proc chance
- 3 copies → 5.0% proc chance
- 5 copies → 8.0% proc chance
- 10 copies → 15.5% proc chance
- 50 copies → 75.5% proc chance
- 66 copies → 99.5% proc chance
- 67 copies → 101.0% proc chance (guaranteed proc)
When proc chance exceeds 100%:
When the proc chance exceeds 100%, Big Bonk will always proc (guaranteed proc on every hit). However, it still only procs once per hit, not multiple times. The proc chance is effectively capped at 100% for the purpose of determining if it procs.
Note: The first copy gives 2% base chance, and each additional copy adds +1.5% chance.
2. BONK Damage Multiplier (Linear Scaling)
Each copy increases the damage multiplier:
$$
\text{DamageMultiplier}(n) = 20.0 + (n - 1) \times 10.0
$$
Where $ n $ = number of Big Bonk copies
Examples:
- 1 copy → 20.0× damage
- 2 copies → 30.0× damage
- 3 copies → 40.0× damage
- 5 copies → 60.0× damage
- 10 copies → 110.0× damage
Note: The first copy gives 20× damage, and each additional copy adds +10× damage.
3. Explosion Radius (Linear Scaling, Capped)
The explosion radius scales linearly but is capped:
$$
\text{Radius}(n) = \min(n + 6.0,\ 10.0)
$$
Where $ n $ = number of Big Bonk copies
Examples:
Note: The radius reaches its maximum cap of 10.0 units at 4 copies. Additional copies beyond 4 do not increase the radius further.
4. Fixed Values
- Explosion damage: Always equal to the original hit damage (does not scale with copies)
- Explosion knockback: Always 1.25× the original knockback (does not scale with copies)
- Max procs per tick: Always 5 (does not scale with copies)
Key points:
- More copies = higher proc chance, more damage, and larger explosion radius
- The explosion radius caps at 4 copies (10.0 units)
- Explosion damage to nearby enemies is always equal to the original hit damage
- The main target takes the massive BONK damage multiplier
- At 100%+ proc chance, Big Bonk will proc on every hit (guaranteed), but still only once per hit, and is probably limited by the 5 procs per tick cap