Molten Strike DPS Calculator reset

Do not enter this value. This field is included in the calculator just to emphasize that you should type in the average damage, not the total or full DPS. The reason for this subtlety is that there have been quite a few bugs in PoB calculating ball attack rates incorrectly. By typing in the damage and melee attack rate, it's easier to ensure the final calculations are correct.

Enter the "Average Damage" not the "Total DPS" or "Full DPS" for "Magma Balls" from Path of Building.

Note that the Total DPS line in PoB can be highly inaccurate due to a bug in how Multistrike is handled in it, in addition to it ignoring the number of balls, chance of balls to land in range of a boss, how to apply the point blank multiplier correctly, etc. The purpose of this calculator is to compute the true DPS, at least until PoB can be enhanced to do so itself.

Enter the "Hit Chance" for "Magma Balls" from Path of Building.

Do not enter this value. This field is included in the calculator just to emphasize that you should type in the average damage, not the total or full DPS. The reason for this subtlety is that there have been quite a few bugs in PoB calculating ball attack rates incorrectly. By typing in the damage and melee attack rate, it's easier to ensure the final calculations are correct.

Enter the "Average Damage" not the "Total DPS" or "Full DPS" for "Melee Hits" from Path of Building.

Enter the "Attack Rate" for "Melee Hits" from Path of Building. Be sure to select melee hits instead of magma balls, especially if you have melee-only attack speed modifiers (e.g. Multistrike). This is because there's a known collection of bugs in PoB causing it to calculate the attack speed incorrectly when the magma balls are selected.

Enter the "Hit Chance" for "Melee Hits" from Path of Building.

This is the total number of projectiles that sprout per melee hit. It scales with helm enchants, Wildfire jewels, gems like Greater Multiple Projectiles, items like Grelwood Shank and Dying Sun, etc.

To find the value in PoB,

1. Go to the "Calcs" tab.
2. Make sure that your Molten Strike "Socket Group" and "Active Skill" are selected on the top.
3. Select "Magma Balls" in the "Skill Part" dropdown.
4. Look for the orange "Skill type-specific Stats" box. It's typically the last box of that color.

This is the radius of each ball explosion. It scales with AoE modifiers in the usual way.

To find the value in PoB,

1. Go to the "Calcs" tab.
2. Make sure that your Molten Strike "Socket Group" and "Active Skill" are selected.
3. Select "Magma Balls" in the "Skill Part" dropdown.
4. Look for the orange "Skill type-specific Stats" box. It's typically the last box of that color.

This is the minimum distance at which a ball can land and explode, relative to the melee hit location. This deadzone radius is fixed and cannot be modified in any way, hence it is disabled in this form.

To find the value in PoB,

1. Go to the "Calcs" tab.
2. Make sure that your Molten Strike "Socket Group" and "Active Skill" are selected.
3. Select "Magma Balls" in the "Skill Part" dropdown.
4. Look for the orange "Skill type-specific Stats" box. It's typically the last box of that color.

This is the maximum distance at which a ball can land and explode, relative to the melee hit location. This is one of the easiest values to compute incorrectly because of (a) the fixed min landing distance and (b) how AoE and projectile speed modifiers work differently. Fortunately, Path of Building, Community Edition has been updated to do all the work for you. The tooltip in PoB includes the exact formula used.

To find the value in PoB,

1. Go to the "Calcs" tab.
2. Make sure that your Molten Strike "Socket Group" and "Active Skill" are selected.
3. Select "Magma Balls" in the "Skill Part" dropdown.
4. Look for the orange "Skill type-specific Stats" box. It's typically the last box of that color.

Tell this calculator how you configured Point Blank in Path of Building's configuration tab.

Typically, you should leave the travel distance field in PoB's configuration tab blank. Make sure that this textbox exactly matches what you see in PoB. The reason to leave it blank in PoB (and thus here) is that PoB computes point blank effects incorrectly for Molten Strike. This textbox is included here so that we can undo those incorrect calculations if your damage numbers included them. Then this calculator can proceed with more accurate calculations.

Tell this calculator if you have some source of the Point Blank buff, e.g. the the tree node or from the Grelwood Shank sword. This increases the damage of balls that land close to the melee hit location. This is typically gives a substantial single-target DPS increase.

Tell this calculator if you have some source of the Far Shot buff, e.g. the Deadeye ascendancy node or from the Beltimber sword. This increases the damage of balls that hit far away, but decreases the DPS for nearby balls. It lowers the DPS on namelocked bosses but increases the damage against far away monsters when attacking packs.

The Longshot cluster notable is not yet supported. It's basically a weak version of Far Shot: it provides up to 40% increased damage instead of 60% more damage, but with no downside for close-range projectiles. Typical builds already have large increased damage multipliers, making the effects of longshot be negligible. The main reason for not supporting Longshot yet is that it would require more work from users to enter all the numbers needed to account for these diminishing returns.

We have limited information about the radius of monsters in PoE, but most humanoid monsters have radius 2 and the maximum object radius in PoE is 5. Be aware that the size of the graphical objects can be very different from the size of a monster used for calculating hits.

This is the total actual DPS against an isolated single target monster.

This assumes your melee hit is exactly centered on the boss, i.e. you've namelocked it. It also assumes that there are no other monsters or hydrospheres that will attract or trigger melee hits on anything but the single monster you're directly attacking.

For excruciating detail, see the ipython notebook we used to developing this simplified calculator.

This is the total projectile DPS, accounting for the DPS per projectile that hits, Point Blank effects, Far Shot, hit chance, and the hit rate due to AoE effects. See the "Total Isolated Single Target DPS" help string for more details.

This is the total DPS from melee attacks, accounting for your chance to hit, your attack speed, and your average damage per hit.

This is the effective chance for a ball that lands in range to pass all accuracy checks and count as a hit, given a successful namelocked melee hit.

We currently assume there's a single accuracy roll that's checked first against the melee hit chance to decide if balls should sprout and then the same roll is later checked against balls that are in-range to see if they hit too. We use this assumption because we know this is how critical strike rolls work, so we assume GGG uses the same mechanism for accuracy checks.

Other possibilities:

• (PROVEN FALSE) Melee accuracy doesn't matter: Melee accuracy does not matter for computing ball DPS. Every melee attack sprouts balls whether or not the melee attack hits. This is definitely false. We tested this with a Replica Trypanon (-5000 accuracy) in Blood Aqueducts, against a single on-screen enemy, with the tooltip melee hit chance of 5%, and using Molten Strike + GMP + Faster Projectiles supports to make it easier to see the balls. 13/150 melee hits triggered balls (around double the expected rate, but this could just be luck or an inaccurate in-game tooltip).
• (UNLIKELY) Effective ball hit chance given a successful melee hit and in-range ball = 100%. Accuracy only matters for the melee hit but not the balls since the balls themselves don't hit, their explosions hit. This seems wrong because even reflected damage undergoes accuracy checks. Also similar skills like Poisonous Concoction are believed to undergo accuracy checks. This could be tested using a low-accuracy character and counting self-poison stacks. Slower projectiles would be helpful to increase the number of balls that land in range.
• (ASSUMED HERE) Effective ball accuracy given an in-range projectile = minimum of the melee and projectile hit chances from PoB: There's a single accuracy roll that's used for both the melee hit and projectile hits, as happens with critical strike checks. The self-poison test could be used to test this vs. the previous possibility.
• Effective ball hit chance assuming an in-range ball = PoB's melee hit chance * PoB's projectile hit chance: Another possiblity is that independent accuracy rolls are used for the melee hit and projectile hits. Then we'd need to indepently satisfy both the melee and projectile hit chances for each in-range ball.

This is your chance to hit an enemy for a single ball, assuming that the melee hit did not miss and is centered on the boss as it should be if you're namelocking, and taking into account your accuracy ("Hit Chance" for magma balls). This does not take into account your melee hit chance.

We compute the ratio of the purple area to the purple + blue area to get the chance for a molten strike ball to hit a boss. We need to carefully ignore the pink area in doing this calculation.

This is the chance to hit if you had 100% accuracy. See the "Chance to Hit an Enemy Per Ball" box for a more detailed explanation.

This is the average number of balls that will hit the isolated boss for each melee attack, assuming you're namelocking.

This is the net multiplier we get for accounting for all of the following (when applicable):

• the number of balls,
• accuracy (from "Hit Chance" for magma balls),
• the fraction of balls that land close enough to a boss to count as a hit, and
• the average effects of Point Blank, Far Shot, and Longshot on balls that land close enough to the boss to count as hits.

To get the total projectile DPS, compute "Average Damage" * "Attack Rate" * (1 + Total "More" Projectile Damage).

This is the net effective "more" multiplier applied to your projectiles from Point Blank, Far Shot, and Longshot, against namelocked bosses, only considering balls that land close enough to hit and pass the accuracy test.