There are five Heat Dash Combat Arts available to Spheromancers: two first-level, two second-level, and one third-level art.
Ashen Mine
Place a mine that explodes when enemies are nearby.
Ashen Mine is a heat-elemental, level one Dash-type Combat Art. It costs 1 CP to activate and 1 SP to use.
When using it, Lea dashes while leaving behind a mine that explodes when enemies are nearby. If no enemy comes near the mine, it will eventually explode on its own. The damage from a mine can knock enemies back.
This art is meant for escape, as the mine it creates is summoned on the place from which Lea dashes away, and thus can't be used to dive into battle.
Apollo uses this combat art during his second and third duels against Lea.
Crimson Strike
Performs a fierce whirl attack, engulfing your enemies in flames.
Crimson Strike is a heat-elemental, level one Dash-type Combat Art. It costs 1 CP to activate and 1 SP to use.
Upon using Crimson Strike, Lea dashes the distance of approximately three normal dashes towards the direction she is heading, damaging enemies along and near the path of her movement. Hit enemies are also knocked back.
Crimson Strike offers for a more offensive option than its counterpart, Ashen Mine. The damage it provides can be used to damage multiple enemies at once, or just to escape danger.
Pentafists can also use this combat, as shown by Emilie.
Mine Valley
Dash and place multiple mines which can seek enemies when not touched.
Mine Valley is a heat-elemental, level two Dash-type Combat Art. It costs 2 CP to activate and 3 SP to use.
When using this art, Lea dashes a long distance, leaving 3 Ashen Mines that can also seek nearby enemies if they don't come in contact with one.
The additional travel distance and mine damage, as well as the seeking capability of the mines, make Mine Valley much more useful than Ashen Mine. It can be used to place all three mines near a single target, inflicting large damage, or to escape danger while dealing damage.
Crimson Stream
Surround yourself with fire and dash a long way, leaving hot damaging magma on the ground. Causes Burn.
Crimson Stream is a heat-elemental, level two Dash-type Combat Art. It costs 2 CP to activate and 3 SP to use.
Upon using Crimson Stream, Lea dashes a long distance, damaging and knocking away enemies along and near her path. Additionally, she leaves magma on the ground that lasts around five seconds. This damages and burns enemies that walk into it.
Crimson Stream deals largely increased damage compared to Crimson Strike thanks to the added Burn component. It can be used to deal massive area damage.
Scarlet Rain
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Mark enemies by dashing through them which will be bombarded by a blazing meteor shower.
Scarlet Rain is a heat-elemental, level three Dash-type Combat Art. It costs 3 CP to activate and 6 SP to use.
When used, Lea instantly dashes a long way, damaging enemies in and near her path. A meteor shower will then bombard the enemies hit, inflicting high damage and burning them and other enemies within the proximity of the explosions.
The meteors from Scarlet Rain bypass the protection of some enemies, such as the iron mask of Bovines.