Orange crystal magic use

Effect

Using the mind, the orange shard can heat or cool objects that the caster can perceive.

Side/Secondary Effects

If botched, it could heat an unintended item. If that item is touching a person, it could burn them. It could also set fire to things (un)intended.

Source

The orange Celestial Shards is the only source of this magic. The core itself is lodged in Keadin , and is too big to safely use. Small shards are perfect for personal use, however, their heat charge decreases slowly over time, decreasing in power until eventually flipping to cooling magic instead of heating magic.

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Roseburn was the person responsible for discovering most of the magical properties of the orange core.

Material Components

One would first off need a shard of the orange core itself.
Stone is a passive conductor, meaning if the shard touches stone, it passively gives off a little heat. It can still be manipulated to a small degree.
Metal is an active conductor, meaning if the shard touches metal, its magical properties can be more precisely and more intensely targeted.

Gestures & Ritual

It's a mental spell, any person can use it if they get hold of a shard. But only through careful training, one can become attuned enough to use the magic precisely and effectively.
It's a bit like trying to pick out one single person's voice in a cramped noisy room. Becoming attuned to the shard is like picking out the voice of your significant other in that same cramped noisy room. Still difficult, but a lot easier.

Related Discipline

Celestial magic

Effect Casting Time

if using a fully charged shard: almost instantly. A shard at its balance point: a few seconds. The bigger the object the caster is trying to heat, the longer the cast time.

Applied Restriction

If an object cannot be sensed, it cannot be affected by the spell.
If the shard is at balance point, heating and cooling can only be used in alternation.