What attribute is Si?

Si is a 6-star Cryo operator of the Supporter class, wielding a Great Sword, announced for version 1.6.

When is Si released in Arknights: Endfield?

Si is announced for version 1.6. Si's banner, Rejuvenation (Chartered Headhunting), opens with version 1.6 on October 15, 2026 and closes November 5, 2026 at 11:59 server time.

Si, Cryo Supporter operator | Arknights: Endfield

All operators

Version 1.6 · not yet released

Si

Build guide · Arknights: Endfield

CryoSupporterGreat SwordSupport

Key facts

Si is a 6-star Cryo Supporter wielding a Great Sword, announced for Arknights: Endfield 1.6. Banner dates and the kit shown so far.

Rarity: 6★
Attribute: Cryo
Class: Supporter
Weapon type: Great Sword
Announced for: Version 1.6

No build for Si yet. A build here is derived from the operator’s skill multipliers and stat block, and Hypergryph has published neither. It appears once 1.6 is live and the game data carries the kit.

Skills

The game data carries no combat skills for Si.

Talents

The game data carries no talents for Si.

Stat talent

Every tier taken

The game data carries no stat talent for Si.

Potentials

The game data carries no Potentials for Si.

Elite promotion

Level 1 → 90 in 4 steps

The game data carries no promotion table for Si. An operator announced but not yet released has none.

Skill materials

Per skill · 1 levellable

The game data carries no skill upgrade table for Si.

Similar operators

Xaihi5-star Cryo Supporter, like Si

Banner & pulls

Si banner historyHeadhunting windows that featured Si

Si FAQ

What attribute is Si?: Si is a 6-star Cryo operator of the Supporter class, wielding a Great Sword, announced for version 1.6.
When is Si released in Arknights: Endfield?: Si is announced for version 1.6. Si's banner, Rejuvenation (Chartered Headhunting), opens with version 1.6 on October 15, 2026 and closes November 5, 2026 at 11:59 server time.

Si