Quick reference
Plan around complete milestones
Each troop-specific Tome contains six Codices: three for lethality and three for health. Complete matching levels within a Tome to activate its additional bonuses.
- Unlock
- Warden Office level 28
- Range
- Codex levels 1–12
- First target
- Level 3 across every Codex
Tome structure
| Tome | Codices | Primary use |
|---|---|---|
| Shieldbearer | 3 Lethality + 3 Health | Frontline survival and combat value |
| Bomber | 3 Lethality + 3 Health | Bomber damage and survivability |
| Shooter | 3 Lethality + 3 Health | Backline damage and survivability |
Codex milestones
Five Codices at level 6 and one at level 5 will not activate the level 6 Tome bonus. Check whether the next spend can complete a milestone before pushing one Codex further ahead.
Upgrade data
Seal requirements
| Upgrade | Seal of Wisdom | Seal of Knowledge |
|---|---|---|
| Level 0 → 1 | 10 | 10 |
| Level 1 → 2 | 50 | 60 |
| Level 2 → 3 | 90 | 110 |
| Level 3 → 4 | 160 | 200 |
| Level 4 → 5 | 270 | 330 |
| Level 5 → 6 | 380 | 460 |
| Level 6 → 7 | 480 | 600 |
| Level 7 → 8 | 540 | 660 |
| Level 8 → 9 | 620 | 780 |
| Level 9 → 10 | 760 | 920 |
| Level 10 → 11 | 920 | 1,040 |
| Level 11 → 12 | 1,040 | 1,240 |
Recommended starting sequence
- Shieldbearer baselineRaise all six Shieldbearer Codices to level 3.
- Shooter baselineRaise all six Shooter Codices to level 3.
- Bomber baselineRaise all six Bomber Codices to level 3.
- Choose a pathMove toward defence, offence or a targeted hybrid after every level 3 bonus is active.
Choose the next upgrade path
Defensive
Shieldbearer to level 6
Use when the frontline falls too quickly. Complete all six Shieldbearer Codices, then move to Shooter.
Offensive
Shooter to level 6
Use when survivability is adequate but targets remain alive. Complete all six Shooter Codices, then Shieldbearer.
Hybrid
Health + lethality
Raise Shieldbearer Health and Shooter Lethality Codices to level 6. This gives direct value but delays full level 6 Tome bonuses.
Troop priorities
Shieldbearer
Prioritise Health when the frontline is defeated before the backline can deal enough damage. Lethality remains useful but is secondary to survival in that situation.
Shooter
Prioritise Lethality when damage output is low and frontline survival is already sufficient. Health helps against attacks that reach the backline.
Bomber
Develop after the Shieldbearer and Shooter targets unless Bombers provide most of the formation’s damage.
Progressing to levels 9 and 12
- Confirm the intended level 6 bonuses are active.
- Select the highest-value Tome for the formation.
- Save enough seals to raise all six Codices.
- Complete level 9 before starting an unrelated Tome.
- Repeat the same milestone process toward level 12.
Seal sources and common mistakes
Seals may appear in Intelligence Missions, activity rewards, progression milestones, temporary rotations, Tome reward systems and resource-selection chests.
Watch out
- Do not push isolated Codices before establishing the level 3 baseline.
- Do not leave a Tome one Codex below a major milestone.
- Do not prioritise lethality when survival is the actual weakness.
- Do not open selection chests without a defined milestone target.
Best overall strategy
Reach level 3 everywhere, then solve the formation’s weakness
Use Shieldbearer Tome for frontline durability, Shooter Tome for damage, or Shieldbearer Health plus Shooter Lethality for a hybrid path. Spend seals around complete three-level milestones.