Goblin Archer

	Classic	Expert	Master	Legendary (For the Worthy)
Life	80	160	240	320
Attack	20	40	60	106
Defense	6	6	6	6
Knockback Taken	70% (Med)	63% (Med)	56% (Med)	56% (Med)
Coins	2	5	5	7

The last column is Master mode in a For the Worthy world.

Numbers are for one player, before Hardmode.

Coins: each kill rolls from 80% to 175% of this value. Rarer extra rolls can add more.

In a Hardmode world

In Expert and Master, Hardmode scales up weak enemies: those whose attack plus defense plus a quarter of life is under 80 (100 after Plantera).

World	Life	Attack	Defense	Knockback Taken	Coins
Expert, In Hardmode	176	36	6	63% (Med)	4
Master, In Hardmode	264	54	6	56% (Med)	4
Legendary, In Hardmode	352	96	6	56% (Med)	560
Expert, After Plantera	352	72	12	63% (Med)	8
Master, After Plantera	528	108	12	56% (Med)	8
Legendary, After Plantera	704	192	12	56% (Med)	1120

Projectiles

Projectile	Classic (range)	Expert (range)	Master (range)	Legendary (range)	Inflicts
Wooden Arrow	22 (18 to 24)	44 (36 to 48)	66 (54 to 72)	66 (54 to 72)

Classic

Item	Quantity	Chance	Kills for 50%	Kills for 90%	Conditions
Spiky Ball	1 to 5	199/400 (49.8%)	2	4	Rolled only when the roll for Harpoon (1 in 200) fails
Harpoon	1	1/200 (0.5%)	139	460

Expert

Item	Quantity	Chance	Kills for 50%	Kills for 90%	Conditions
Spiky Ball	1 to 5	199/400 (49.8%)	2	4	Rolled only when the roll for Harpoon (1 in 200) fails
Harpoon	1	1/200 (0.5%)	139	460

Master

Item	Quantity	Chance	Kills for 50%	Kills for 90%	Conditions
Spiky Ball	1 to 5	199/400 (49.8%)	2	4	Rolled only when the roll for Harpoon (1 in 200) fails
Harpoon	1	1/200 (0.5%)	139	460

Chance is per kill. Kills for 50% / 90% is how many kills give that chance of at least one drop.