Field notes & guides

Build smarter. Play with purpose.

Practical guides, competitive analysis, and product updates for Warhammer 40,000 players—from your first army list to the tournament table.

28 articles6 categoriesFollow via RSS
Editor's picks

Start here

The library

Find your next read

Search by topic, title, or keyword.

28 articles

Guides
Aug 15, 20268 min read

Warhammer 40K 11th Edition Army Composition Rules Explained

Battle sizes, DP budgets, Enhancement caps and duplicate limits — the rules that decide whether your list is legal before a single dice is rolled.

Read article
Guides
Aug 15, 20267 min read

Detachment Points Explained — Warhammer 40K 11th Edition

11th Edition replaced 'pick one detachment' with a budget you spend. Here is how DP works, and the Incursion exception that catches everyone out.

Read article
Tactics
Aug 15, 20267 min read

Reserves and Deep Strike in Warhammer 40K 11th Edition

One 50% pool instead of two caps. What changed from 10th, the leader trap that kills Deep Strike, and how much to really reserve.

Read article
Tactics
Aug 15, 20269 min read

All 10 Core Stratagems in Warhammer 40K 11th Edition

Ten stratagems every army has, half of them in your opponent's turn. What each one does, when it fires, and which ones are worth the CP.

Read article
Guides
Aug 15, 20268 min read

Allied Factions in Warhammer 40K 11th Edition — All 5 Rules

Five alliance rules, five different sets of limits. Who can ally, how many units you get, and the exclusive-or that makes Freeblades lists illegal.

Read article
Guides
Aug 15, 20267 min read

Leaders and Support Characters in Warhammer 40K 11th Edition

11th gives every bodyguard unit two character slots instead of one. What attaches to what, and the rules that bite after you have written the list.

Read article
Guides
Aug 15, 20266 min read

Dedicated Transports in Warhammer 40K 11th Edition

Six per army, outside the duplicate limit — and a capacity rule with four separate constraints hiding in one sentence.

Read article
Tactics
Aug 15, 20268 min read

The 5 Kinds of Primary Mission in Warhammer 40K 11th Edition

Nobody memorises 25 mission cards. Sort them into five archetypes instead, and you know what your army needs to do before you finish reading.

Read article
Guides
Aug 15, 20266 min read

Enhancements in Warhammer 40K 11th Edition — Rules and Limits

The smallest part of a list and the most common reason one fails validation. The four hard rules, and the five errors that actually happen.

Read article

Turn what you learned into a battle-ready roster

Build, validate, and share your next Warhammer 40,000 army with GrimSlate—for free.

Start buildingBrowse factions