You have Advantage on Initiative, are concealed from effects requiring sight, and attacks against you have Disadvantage while yours have Advantage.

You can't take actions, Bonus Actions, or Reactions; your Concentration breaks, you can't speak, and you have Disadvantage on Initiative.

Your Speed is 0, your attack rolls against anyone but the grappler are at Disadvantage, and the grappler can drag you around.

Disadvantage on ability checks and attacks while the source of fear is in line of sight, and you can't move toward it.

Remove a token from the scene map as soon as its owner dies.

Pin newly visited or generated locations to their parent map before narrating arrival.

Move tokens on the active scene map the moment movement happens, in exploration and combat alike.

How to build a one-of-a-kind monster from a standard base creature — when to do it, how much to change, and how to record the lineage so the difference is never hidden in prose alone.

Designing new magic items — modifying existing items, combining items, special features, the Power Level by Rarity table, and attunement guidance.

A step-by-step framework for designing combat encounters — XP budgets, difficulty tiers, environmental factors, tactical intelligence, and pacing. For GM use.