Okay, if you use the CoSLAL template... let's see...
Walking/Jumping/Sneaking/Running/Defense/Item/Skill sprite: 128 x 192
Sword/Spear Attack: 384 x 640
Flail Attack: 1024 x 640 (or wider/thinner depending on flail range)
Returning Projectile/Bow Attack/Consumable Projectile: 128 x 640