The correlation between Tier and gpm is 0.8. The more Tier, the more gpm, and vice versa. But some values are higher than expected, some are lower. Efficiency is a difference between the value of gpm depending on Tier (blue dots) with respect to the expected value (red line).
| Efficiency | |
|---|---|
| Mind Breaker | 107.5050 |
| Stygian Desolator | 89.1336 |
| Pirate Hat | 86.2836 |
| Penta-Edged Sword | 73.7543 |
| Ninja Gear | 67.4743 |
| Paladin Sword | 65.9250 |
| Elven Tunic | 63.5150 |
| Apex | 62.3936 |
| Titan Sliver | 54.8550 |
| Grove Bow | 52.6457 |
| Ring Of Aquila | 40.7857 |
| Broom Handle | 39.9464 |
| Vampire Fangs | 30.5557 |
| Duelist Gloves | 29.9264 |
| Enchanted Quiver | 25.8450 |
| Mirror Shield | 25.6536 |
| Giant'S Ring | 23.6536 |
| Vambrace | 22.4157 |
| Spark Of Courage | 22.2564 |
| Occult Bracelet | 20.1564 |
| Ex Machina | 18.6036 |
| Defiant Shell | 12.8350 |
| Force Boots | 11.3336 |
| Pig Pole | 11.1564 |
| Cloak Of Flames | 10.5250 |
| Dragon Scale | 9.0657 |
| Lance Of Pursuit | 5.3464 |
| Pupil'S Gift | 2.6357 |
| Trickster Cloak | -2.0857 |
| Havoc Hammer | -2.2657 |
| Arcane Ring | -6.7636 |
| Fairy'S Trinket | -8.3236 |
| Fallen Sky | -16.8564 |
| Faded Broach | -19.0036 |
| Stormcrafter | -21.2757 |
| Ascetic'S Cap | -21.4157 |
| Martyr'S Plate | -24.0957 |
| Trusty Shovel | -26.7836 |
| Tumbler'S Toy | -29.7536 |
| Seeds Of Serenity | -31.9936 |
| Arcanist'S Armor | -32.5164 |
| Gossamer Cape | -33.2843 |
| Bullwhip | -33.8843 |
| Spell Prism | -34.2257 |
| Ogre Seal Totem | -39.9150 |
| Timeless Relic | -40.2057 |
| Dandelion Amulet | -44.1950 |
| Philosopher'S Stone | -44.5843 |
| Ceremonial Robe | -47.1150 |
| Quickening Charm | -48.5150 |
| Book Of The Dead | -55.3964 |
| Eye Of The Vizier | -74.8043 |
| Psychic Headband | -76.7850 |
| Book Of Shadows | -78.1064 |
| Seer Stone | -88.1064 |
| Telescope | -103.9257 |