SET Lv.17
Hydra Bone Armor Set: Stats, Set Bonus & How to Getヒドラの骨装備セット
The Hydra Bone Armor Set is a level 17 armor set in Core Keeper made of 3 pieces: Hydra Bone Helm, Hydra Bone Breastplate, Hydra Bone Shins. Set bonus: 2 pieces – +20% chance on melee hit to increase range damage by 30%. Best for melee builds, ranking #30 of 70 sets for damage.
Hydra Bone Armor Set pieces and stats (Lv.20)
The Hydra Bone Armor Set has 3 pieces. Values are for Lv.20 (fully upgraded); the level column shows the level each piece starts at.
| Slot | Item | Base Lv | Armor | Max health | Effects (Lv.20) |
|---|---|---|---|---|---|
| Head |  Hydra Bone Helm |
17 | 24 | +44 |
|
| Chest |  Hydra Bone Breastplate |
17 | 31 | +69 |
|
| Legs |  Hydra Bone Shins |
17 | 30 | +66 |
|
Hydra Bone set bonus: how many pieces do you need?
Wearing the required number of pieces from the same set at once adds an extra effect (the set bonus). The Hydra Bone Armor Set gives:
- 2 pieces: +20% chance on melee hit to increase range damage by 30%
You get every set bonus with 2 of the 3 pieces, so the remaining slot can hold other gear.
Hydra Bone Armor Set total stats
Totals with every piece equipped, including the set bonus.
| Effect | Base level | Lv.20 |
|---|---|---|
| Max health | +153 max health | +179 max health |
| Armor | +71 armor | +85 armor |
| Chance to stun targets on melee hit | +12% chance to stun targets on melee hit | +12% chance to stun targets on melee hit |
| Critical hit chance | +5% critical hit chance | +6% critical hit chance |
| Physical melee damage | +12.2% physical melee damage | +14.1% physical melee damage |
| Melee and range attack speed | +7.2% melee and range attack speed | +8.3% melee and range attack speed |
| Chance on melee hit to increase range damage by 30% | +20% chance on melee hit to increase range damage by 30% | +20% chance on melee hit to increase range damage by 30% |
Is the Hydra Bone Armor Set good? Rating by build
For each build we take the strongest loadout (gear and food), swap in the Hydra Bone Armor Set pieces (with the set bonus) and calculate the damage. Damage is relative to the strongest loadout (= 100), and the rank is out of all 70 sets.
| Build | Damage (best = 100) | Rank | Best set for this build |
|---|---|---|---|
| Melee | 65.4 | #30 | Core Commander Armor Set |
| Ranged | 65.0 | #36 | Mold Set |
| Magic | 40.5 | #48 | Arcane Monk Armor Set |
| Summoner | 41.4 | #49 | Chieftain Armor Set |
The Hydra Bone Armor Set fits melee builds best (#30 of all sets). Its level holds up in the late game.
Damage assumes endgame gear (Lv.20) and skills at level 100. Defense (armor, health) is not included; compare the totals above for that. The damage model is this site's own estimate, not an official formula.
How to get the Hydra Bone Armor Set (drops, chests)
How to get Hydra Bone Helm
- Boss drop: Pyrdra the Fire Titan – 44.9% per try
Hydra Bone Helm: all sources and drop chances →
How to get Hydra Bone Breastplate
- Boss drop: Crydra the Ice Titan – 45.1% per try
Hydra Bone Breastplate: all sources and drop chances →
How to get Hydra Bone Shins
- Boss drop: Druidra the Wild Titan – 45.2% per try
Hydra Bone Armor Set upgrade cost (to Lv.20) and reinforcement
Each piece can be upgraded to Lv.20 at the Upgrade Station with Ancient Coins and materials. Reinforcing at the Salvage and Repair Station doubles durability and raises effect values by about 15%.
| Item | Upgrade cost Lv.17→20 | Reinforcement materials | Durability |
|---|---|---|---|
| Hydra Bone Helm |
 Ancient Coin×1,512  Solarite Bar×35  Desert Ruby×1  Pandorium Bar×38  Relucite Bar×41  Corrupted Alloy×20 |
Solarite Bar×1–8 |
90 |
| Hydra Bone Breastplate |
Ancient Coin×1,512 Solarite Bar×35 Desert Ruby×1 Pandorium Bar×38 Relucite Bar×41 Corrupted Alloy×20 |
Solarite Bar×1–8 |
100 |
| Hydra Bone Shins |
Ancient Coin×1,512 Solarite Bar×35 Desert Ruby×1 Pandorium Bar×38 Relucite Bar×41 Corrupted Alloy×20 |
Solarite Bar×1–8 |
95 |
| All pieces | Ancient Coin×4,536 Solarite Bar×105 Desert Ruby×3 Pandorium Bar×114 Relucite Bar×123 Corrupted Alloy×60 | ||
Sets of a similar level to compare
| Set | Lv | Set bonus | Best build |
|---|---|---|---|
| Cosmos Armor Set | 16 | 2 pcs: Immune to burning | Ranged (#35) |
| Core Commander Armor Set | 17 | 2 pcs: +25% damage dealt by you and all nearby allies / 3 pcs: All nearby enemies take 67 radioactive damage every other sec | Melee (#1) |
| Inventor Armor Set | 17 | 3 pcs: Your explosions apply oil on the ground | Summoner (#57) |
| Arcane Monk Armor Set | 17 | 3 pcs: +30% mana regeneration while casting | Magic (#1) |
| Pandorium Armor Set | 17 | 3 pcs: +80% melee damage while not having taken any direct damage for a while / 3 pcs: +14.3% movement speed | Melee (#34) |
| Sulfossil Armor Set | 17 | 2 pcs: +25% explosion damage / 3 pcs: Deals 74 damage to all nearby enemies when taking damage | Summoner (#52) |
Hydra Bone Armor Set FAQ
Q. Where do I get the Hydra Bone Armor Set?
Hydra Bone Helm: Pyrdra the Fire Titan (boss drop). Hydra Bone Breastplate: Crydra the Ice Titan (boss drop). Hydra Bone Shins: Druidra the Wild Titan (boss drop). Details are in How to get.
Q. How many pieces do I need for the Hydra Bone set bonus?
2 pieces give "+20% chance on melee hit to increase range damage by 30%" (3 pieces in total).
Q. Which build is the Hydra Bone Armor Set best for?
It fits melee builds best (#30 of all sets). See the rating by build for the numbers.
Q. How much does it cost to upgrade the Hydra Bone Armor Set to Lv.20?
Upgrading every piece from Lv.17 to Lv.20 takes 4,536 Ancient Coins in total, plus materials (upgrade cost).
Unless a note on the page says otherwise, numbers are read from the game files of Core Keeper 1.3.0.6 (prefabs, configuration files, drop tables and the game's program) and calculated by this site, including upgraded (per-level) values, sell prices and mana costs. Names and descriptions are the game's official English text. Only reinforcing materials, minion and pet attacks and some food values are based on the Core Keeper Wiki (Fandom) data (CC BY-SA 3.0). Core Keeper and its images are © Pugstorm. This is an unofficial fan site.