# THE INK FORTRESS

B-25 Mitchell silhouette · read the fan.

Character · Fictional · Established

Stable ID: `margin-aces-ace-8` · Revision 1 · Updated 2026-10-30

Context: [Margin Aces](/field-guide/collections/margin-aces/)

[Web page](/field-guide/entities/margin-aces-ace-8/) · [JSON record](/field-guide/entities/margin-aces-ace-8/record.json)

## At a glance

- The Ink Fortress closes the island chapter with layers of pressure. Its B-25 outline is a visual choice for an invented guardian. The second phase widens the question and makes a saved bomb a useful answer.

- Fictional NPC · not a historical pilot, commander or combat record.

## Appearances

- [Margin Aces encyclopedia](/gamelab/projects/marginaces/) (context: [Margin Aces](/field-guide/collections/margin-aces/))

## Dated changes

- 2026-10-30: Added from the named source to the Field Guide.

## Open questions

- Which parts of this entry are historical, and which belong to the game? The B-25 Mitchell is a historical aircraft design. This named ace, its page assignment and its two-phase attack pattern are fictional.

## Sources

- [Margin Aces encyclopedia](/gamelab/projects/marginaces/)

## Portrait

![A blue-ink B-25 Mitchell viewed from above, labelled THE INK FORTRESS.](/field-guide/assets/portraits/catalog-boss-models-margin-aces-ace-8-card-v1-1200.webp)

Native B-25 Mitchell sprite assigned to THE INK FORTRESS, Page 8. THE INK FORTRESS is a fictional game opponent.

[Download original](/field-guide/assets/portraits/catalog-boss-models-margin-aces-ace-8-card-v1.png) · [Margin Aces native aircraft sprite](/gamelab/projects/marginaces/) · v1 · SHA-256: `0035df6bb9b1c0fc9d345fc8dbf89e41dc801a2ca753fcebfe95e1e83380a355`