

With crit factored in, Harpoon puts out 52.0 DPS against 0.0 for Rocket II. Base hits are Harpoon 25 vs Rocket II 40, so the gap comes as much from attack speed and crit as from raw damage.
For crowd control, Harpoon hits with more knockback (6 vs 4), keeping enemies at range while you reposition.
Both are Ranged weapons, so the same armor set and class accessories buff either one — you can swap between them without rebuilding your loadout.
| Stat | Harpoon | Rocket II |
|---|---|---|
| Damage | 25 | 40 |
| Use time | 30 ticks | 0 ticks |
| Crit chance | 4% | 4% |
| Knockback | 6 | 4 |
| Defense | 0 | 0 |
| Mana cost | 0 | 0 |
| Shoot speed | 15 | 0 |
| Sells for | 54 | — |
Harpoon averages 52.0 DPS with crit. Rocket II averages 0.0 DPS with crit. Harpoon is ahead by 52.0 DPS.
Both share the same 30-tick use time, so neither is faster to swing.
Yes — both are Ranged weapons and share the same armor and accessory bonuses.
Yes — both belong to the pre-hardmode tier.