The Blazing Ray is a beam based weapon added by Embers. It uses Ember from a Mantle Jar, Mantle Cartridge, or Mantle Bulb. The Blazing Ray creates a beam that travels straight until it hits a block or mob. The longer it is charged, the more accurate the beam is.
Using a Dawnstone Anvil, the Blazing Ray can be upgraded with several upgrades. First a Motive Core must be attached to allow the generation of heat. Heat is acquired through normal use of the item, and once the item has reached maximum heat, it can be upgraded in an Inferno Forge to gain a level.
For each heat level on the item, an upgrade can be attached at a Dawnstone Anvil: