Frost Moon

Santa-NK1 (Terraria 1.4.5)

Santa-NK1 is one of the 14 event bosses in Terraria 1.4.5 (Frost Moon), #21 of 33 in our order. Summon: Reach the middle waves of a Frost Moon. HP: 18,000 Classic / 23,400 Expert / 29,835 Master; base defense 56. Key drops: Chain Gun, Elf Melter and Toy Tank. Beating it unlocks nothing that blocks progress. It becomes available after Plantera.

Santa-NK1 stats

18,000HP Classic

23,400HP Expert

29,835HP Master

56Defense

Stat	Classic	Expert	Master
Health	18,000	23,400	29,835

Base defense 56.

How to summon Santa-NK1

Naughty Present

Reach the middle waves of a Frost Moon.

Why fight it at this point

The Frost Moon's tank; its Chain Gun is a top ranged weapon before Moon Lord.

What Santa-NK1 drops

Chain Gun

Elf Melter

Toy Tank

Drop rates and mode-only items differ between Classic and Expert or Master (treasure bags). Full drop table on the Terraria Wiki.

Tip

Its rockets pass through blocks, so a roof does not protect you; keep moving.

Back to the boss order checker

Questions players ask

How do I summon Santa-NK1?

Reach the middle waves of a Frost Moon.

How much HP does Santa-NK1 have in Master mode?

29,835 HP (single body). Classic: 18,000, Expert: 23,400.

What does Santa-NK1 drop?

Chain Gun, Elf Melter and Toy Tank. The wiki lists the exact chances.

What should I do after Santa-NK1?

Go back to the main path: the boss order checker shows what is next.

Data: Terraria 1.4.5 facts from the Terraria Wiki (terraria.wiki.gg, CC BY-NC-SA 4.0), checked 14 October 2026 against patch 1.4.5.8. Text and tools are our own. Wrong number? Tell us.