Piercing and Penetrating

Most projectiles die on impact, those that don't are described as being either Piercing or Penetrating

Piercing projectiles can hit multiple times on multiple entities.
Penetrating projectiles can hit multiple entities, but only exactly once on each.

Relevant categories:

Category:Spells that pierce or penetrate
Category:Piercing spells
piercing
Spells that Pierce
Kantele - Note A
Music for your ears!
Kantele - Note D
Music for your ears!
Kantele - Note D+
Music for your ears!
Kantele - Note E
Music for your ears!
Kantele - Note G
Music for your ears!
Ocarina - Note A
Music for your ears!
Ocarina - Note B
Music for your ears!
Ocarina - Note C
Music for your ears!
Ocarina - Note D
Music for your ears!
Ocarina - Note E
Music for your ears!
Ocarina - Note F
Music for your ears!
Ocarina - Note G+
Music for your ears!
Ocarina - Note A2
Music for your ears!
Death Cross
A deadly energy cross that explodes after a short time
Giga Death Cross
A giant, deadly energy cross that explodes after a short time
Plasma Beam Cross
Four deadly plasma beams in a cross-shape. Look out, they can hurt you as well!
Dormant Crystal
A crystal that explodes when caught in an explosion
Lightning Bolt
The primordial force of nature
Ball Lightning
Summons three short range electrical orbs
Blood Mist
A cloud of blood mist
Mist Of Spirits
A cloud of potent alcohol
Slime Mist
A cloud of slimy mist
Toxic Mist
A cloud of toxic mist
Flock Of Ducks
Summons a chaotic flock of spicy ducks
Pinpoint Of Light
An extremely concentrated point of light that explodes after a moment
Plasma Beam
An instantaneous, dangerous beam of light
Plasma Cutter
A plasma beam specialized in cutting materials!
Summon Omega Sawblade
That's a lot of sawblade
Spiral Shot
A mystical whirlwind of magic sparks
Summon Deercoy
Summons a seemingly-innocuous deer
Summon Explosive Box
Summons a box of explosive matter
Summon Fish
FISH!
Unstable Crystal
A crystal that explodes when someone comes nearby
Unstable Crystal With Trigger
A crystal that explodes and casts another spell when someone comes nearby
Piercing Shot
Makes a projectile fly through enemies, but harmful to the caster
Circle of Fervour
A field of berserk magic
Circle of Shielding
A field of protective magic
Circle of Stillness
A field of freezing magic
Circle of Thunder
A field of electrifying magic
Circle of Transmogrification
A field of sheep-like magic
Circle of Unstable Metamorphosis
A field of transformative magic
Circle of Vigour
A field of regenerative magic
Rain Cloud
Creates a watery weather phenomenon
Oil Cloud
Creates a rain of oil
Blood Cloud
Creates a rain of blood
Acid Cloud
Creates a rain of acid
Thundercloud
Creates a thundercloud
Glittering Field
Small explosions appear randomly over a large area
Meteorisade
"Alea iacta est"
Summon Fly Swarm
Summons five flies to aid you in battle
Summon Firebug Swarm
Summons four fire bugs to aid you in battle
Summon Wasp Swarm
Summon six wasps to aid you in battle
Summon Friendly Fly
Summons a friendly fly that attacks your enemies!
Summon Platform
Summons a shortlived bit of ground
Summon Wall
Summons a shortlived obstacle
Spells that can hit multiple targets multiple times.
penetrating
Spells that Penetrate
Black Hole
A slow orb of void that eats through all obstacles
Black Hole with Death Trigger
A slow orb of void that eats through all obstacles and casts another spell as it expires
Chain Bolt
Fires a mysterious bolt that jumps from enemy to enemy
Holy Lance
A fast-flying, penetrating lance that glows with power
Magic Guard
Four guarding lights rotate around you for a time
Big Magic Guard
Eight guarding lights rotate around you for a time
Freezing Gaze
A heart-freezingly sinister aura
Rock
Create a mighty rock out of thin air
Summon Tentacle
Calls a terrifying appendage from another dimension
Summon Tentacle With Timer
Calls a terrifying appendage from another dimension! Comes with a timer
Return
After a period of time, you'll be returned to where you cast this spell
White Hole
An orb of positive energy that destroys everything in its path
Worm Launcher
Summons a giant worm to cause havoc for a moment!
Circle of Buoyancy
A field of levitative magic
Circle of Displacement
A field of teleportative magic
Explosive Detonator
All nearby explosive spells cast by you instantly detonate
Delayed Spellcast
A static, magical phenomenon that casts 3 extra spells after a short while
Projectile Gravity Field
Projectiles caught within the field are attracted towards its center
Projectile Thunder Field
Projectiles caught within the field transform into blasts of lightning
Projectile Transmutation Field
Projectiles caught within the field transform into harmless critters
Omega Black Hole
Even light dies eventually...
Omega White Hole
A massive orb of positive energy that destroys everything in its reach
Vacuum Field
Sucks nearby projectiles and creatures into the middle of the field instantaneously
Long-Distance Cast
Casts a spell some distance away from the caster
Teleporting Cast
Casts a spell from the closest enemy
Warp Cast
Makes a spell immediately jump a long distance, stopped by walls
Spells that can hit multiple targets, but each only once.

Piercing Overview

No Piercing or Penetrating

Most projectiles, upon hitting an entity (usually enemies, or things that move, but not terrain), will do damage once and then die. Similarly, upon hitting an entity most 'trigger projectiles' (ones with a Trigger or Timer either naturally or added) release the trigger payload they are carrying once and then die.

One projectile, one target, one payload.

Penetrating

Some projectiles have the ability to Penetrate entities - they can still only hit any particular entity once, but do not die on impact remaining able to hit other entities (once each) as well. If the projectile has a trigger payload this is also released once for each entity hit.

One projectile, multiple targets, one payload release each.

Piercing

Some Projectiles have the ability to Pierce entities (either naturally, or via the modification of Piercing Shot). These projectiles do not die on impact, but can also keep hitting the same entity while in contact with it. If the projectile has a trigger payload this will be released multiple times while in contact with the same entity.

The projectile can also go on to hit other entities multiple times. This can happen up to 60 times per second (every game 'tick'), though some projectiles have a limit to how often they can hit.

One projectile, multiple targets, multiple payload releases each.

Terrain

Piercing and Penetrating projectiles can still lose their trigger payload if they hit terrain. Piercing projectiles (including Penetrating projectiles also marked as Piercing) will not completely die though, even if unable to bounce; they can still hit enemies but will not release their payload.

Spells that pierce by default

While most projectiles can be modified with Piercing Shot, these following spells come with piercing behaviour by default. In addition to saving you the hefty mana cost of the modifier (and avoiding the friendly fire effect, though some have friendly fire by default) this also avoids the 2 frame delay between firing, and Piercing Shot modifying the projectiles.

Kantele - Note A

Music for your ears!

Kantele - Note D

Music for your ears!

Kantele - Note D+

Music for your ears!

Kantele - Note E

Music for your ears!

Kantele - Note G

Music for your ears!

Ocarina - Note A

Music for your ears!

Ocarina - Note B

Music for your ears!

Ocarina - Note C

Music for your ears!

Ocarina - Note D

Music for your ears!

Ocarina - Note E

Music for your ears!

Ocarina - Note F

Music for your ears!

Ocarina - Note G+

Music for your ears!

Ocarina - Note A2

Music for your ears!

Death Cross

A deadly energy cross that explodes after a short time

Giga Death Cross

A giant, deadly energy cross that explodes after a short time

Plasma Beam Cross

Four deadly plasma beams in a cross-shape. Look out, they can hurt you as well!

Dormant Crystal

A crystal that explodes when caught in an explosion

Lightning Bolt

The primordial force of nature

Ball Lightning

Summons three short range electrical orbs

Blood Mist

A cloud of blood mist

Mist Of Spirits

A cloud of potent alcohol

Slime Mist

A cloud of slimy mist

Toxic Mist

A cloud of toxic mist

Flock Of Ducks

Summons a chaotic flock of spicy ducks

Pinpoint Of Light

An extremely concentrated point of light that explodes after a moment

Plasma Beam

An instantaneous, dangerous beam of light

Plasma Cutter

A plasma beam specialized in cutting materials!

Summon Omega Sawblade

That's a lot of sawblade

Spiral Shot

A mystical whirlwind of magic sparks

Summon Deercoy

Summons a seemingly-innocuous deer

Summon Explosive Box

Summons a box of explosive matter

Summon Fish

FISH!

Unstable Crystal

A crystal that explodes when someone comes nearby

Unstable Crystal With Trigger

A crystal that explodes and casts another spell when someone comes nearby

Circle of Fervour

A field of berserk magic

Circle of Shielding

A field of protective magic

Circle of Stillness

A field of freezing magic

Circle of Thunder

A field of electrifying magic

Circle of Transmogrification

A field of sheep-like magic

Circle of Unstable Metamorphosis

A field of transformative magic

Circle of Vigour

A field of regenerative magic

Rain Cloud

Creates a watery weather phenomenon

Oil Cloud

Creates a rain of oil

Blood Cloud

Creates a rain of blood

Acid Cloud

Creates a rain of acid

Thundercloud

Creates a thundercloud

Glittering Field

Small explosions appear randomly over a large area

Meteorisade

"Alea iacta est"

Summon Fly Swarm

Summons five flies to aid you in battle

Summon Firebug Swarm

Summons four fire bugs to aid you in battle

Summon Wasp Swarm

Summon six wasps to aid you in battle

Summon Friendly Fly

Summons a friendly fly that attacks your enemies!

Summon Platform

Summons a shortlived bit of ground

Summon Wall

Summons a shortlived obstacle

Spells that penetrate by default

There is no modifier that adds this behaviour. The following spells have this property by default. Note that most of the field spells actually act like piercing at their central pixel, but their larger (square) collision areas have penetrating-like limits, hitting each entity only once or at a lower frequency (due to the interaction of GameAreaEffectComponent and ProjectileComponent).

Black Hole

A slow orb of void that eats through all obstacles

Black Hole with Death Trigger

A slow orb of void that eats through all obstacles and casts another spell as it expires

Chain Bolt

Fires a mysterious bolt that jumps from enemy to enemy

Holy Lance

A fast-flying, penetrating lance that glows with power

Magic Guard

Four guarding lights rotate around you for a time

Big Magic Guard

Eight guarding lights rotate around you for a time

Freezing Gaze

A heart-freezingly sinister aura

Rock

Create a mighty rock out of thin air

Summon Tentacle

Calls a terrifying appendage from another dimension

Summon Tentacle With Timer

Calls a terrifying appendage from another dimension! Comes with a timer

Return

After a period of time, you'll be returned to where you cast this spell

White Hole

An orb of positive energy that destroys everything in its path

Worm Launcher

Summons a giant worm to cause havoc for a moment!

Circle of Buoyancy

A field of levitative magic

Circle of Displacement

A field of teleportative magic

Explosive Detonator

All nearby explosive spells cast by you instantly detonate

Delayed Spellcast

A static, magical phenomenon that casts 3 extra spells after a short while

Projectile Gravity Field

Projectiles caught within the field are attracted towards its center

Projectile Thunder Field

Projectiles caught within the field transform into blasts of lightning

Projectile Transmutation Field

Projectiles caught within the field transform into harmless critters

Omega Black Hole

Even light dies eventually...

Omega White Hole

A massive orb of positive energy that destroys everything in its reach

Vacuum Field

Sucks nearby projectiles and creatures into the middle of the field instantaneously

Long-Distance Cast

Casts a spell some distance away from the caster

Teleporting Cast

Casts a spell from the closest enemy

Warp Cast

Makes a spell immediately jump a long distance, stopped by walls

Technical Info

Penetration & Piercing - Config Flags

Penetration & piercing behaviours are controlled by two configuration flags.

`penetrate_entities`	`on_collision_die`	Effect
`No`	`Yes`		Can hit once	Dies on bounceless collision with terrain
`No`	`No`	Piercing	Can hit multiple entities, each one multiple times	Survives bounceless collisions with terrain
`Yes`	`Yes`	Penetrating	Can hit multiple entities, but only once per entity	Dies on bounceless collision with terrain
`Yes`	`No`	Penetrating	Can hit multiple entities, but only once per entity	Survives bounceless collisions with terrain