Bigger runes means rarer/better/cooler shapes/effects/amplifiers/targetters

Shapes (Everything is random, nothing is logical)

 /\
1/\   = Projectile
 []

 (())
2____ = Beam
  --

 OO
3||   = ?
 !!

Effects

 LLUU
1:::: = ForceDMG
 -00-

 &%%&
2←--→ = Light
 ««»»

Amplifiers

(NONE)

Targetters

 MMMM
1---- = FirstHit
 YYYY

 VVVV
2TTTT = self
 UUUU