Phantom Sparkファントムスパーク

A legendary, masterfully crafted bow that shoots pure energy projectiles. Sometimes those pierce the veil of time and space, calling upon the spirits of the past.
In-game description

Phantom Spark stats and effects

Level	Lv.15 (up to Lv.20 when upgraded)
Ranged damage	198–242Lv.20: 261–317
Attack speed	1.43 attacks per second
Effects when equipped	+10% critical hit chanceLv.20: +12% critical hit chance +27% critical hit damageLv.20: +34% critical hit damage +20% chance to summon a ghost caveling when killing any enemy
Durability	Infinite (never breaks)

Compare in the rankings: Best ranged build Max physical damage Upgrading Gear

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.

What is Phantom Spark? Features and uses

Phantom Spark is a legendary item in Core Keeper (Ranged & magic weapons). Its base level is 15 and it deals 198–242 ranged damage (261–317 at level 20). It is crafted from Channeling Gemstone ×1, Fractured Limbs ×1, Energy String ×1, Octarine Bar ×100, Ancient Gemstone ×20.

Phantom Spark key points (from the game data)

Attack interval: 0.7 s (about 1.4 attacks per second). Among 28 ranged & magic weapons, it ranks #2 in expected damage per second at level 20 with endgame gear (about 4,825).
Upgrading to level 20 raises its effects: +10% critical hit chance → +12%, +27% critical hit damage → +34%.
Upgrading from level 15 to 20 costs 2,342 Ancient Coins plus bars.
Durability: 0. Reinforcing it at the Salvage and Repair Station doubles durability.

Calculated and summarized by this site from the game data (1.3.0.6).

Phantom Spark mechanics (checked against the game data)

Killing an enemy with the Phantom Spark has a 20% chance to summon a ghost.
Charging it adds up to 4 extra projectiles.

Written by this site from values in the game files (1.3.0.6 prefabs and configuration files).

Phantom Spark notes

Killing an enemy on walkable ground with it has a 20% chance to call a temporary Ghost Scholar that heals and fights alongside you.
Upgrading does not change that chance.
The Ghost Scholar vanishes after 15 seconds.

These notes cover behavior that the game files do not show directly. They are based on facts from the Core Keeper Wiki (Fandom) page "Phantom Spark" (CC BY-SA 3.0), rewritten in this site's own words.

How to craft Phantom Spark (materials)

How to craft Glyph Parchment : use it while carrying the materials below Full crafting steps →

Material	Amount	How to get the material
Channeling Gemstone	× 1
Fractured Limbs	× 1
Energy String	× 1
Octarine Bar	× 100	Crafting Chest
Ancient Gemstone	× 20	Fishing Boss Enemy Chest Breakable

Crafting time: 1 s