How To Calculate Initiative In DnD 5E

It’s all fun and games until everybody argues about who goes when. For Dungeons & Dragons this would be the case for every combat, if it weren’t for initiative determining who goes when, and in what order.

When calculating initiative, there are a few things to note:

  1. You have an Initiative Bonus, which is equal to your Dexterity Modifier, plus any bonuses you have from feats, classes, and such, which will state the bonuses they grant.
  2. When two player characters have the same initiative they may decide amongst themselves who goes first, the DM decides this for monsters that tie in initiative, and if a player and a monster tie.
  3. Instead of the above, your DM may use Dexterity Tiebreakers which means that when you roll a tie, you compare dexterity scores and whoever has the highest one wins, though further ties have you roll d20s and whoever rolls higher goes first, though you could also go at the same time should your DM allow it.
  4. when initiative is called, each creature acts from highest initiative to lowest.

The various ways your DM could handle initiative are as follows:

Standard: Every creature rolls initiative at the start of combat by rolling 1d20 and adding their initiative bonus to the result, which determines the order in which each creature acts for the rest of combat.

The following are initiative variants found on page 270 of the Dungeon Master’s Guide

Initiative Score: Each creature uses 10 + their Initiative bonus as their initiative roll, determining the order for each creature when combat starts.

Side Initiative: Each side of combat when it starts (party, monsters, villains, bystanders, and other groups that find themselves in combat) rolls a d20 with no modifiers, Re-rolling on ties. Once each creature on a side has taken a turn, initiative advances to the next side which takes all of their turns.

Speed factor: Every round, each creature starts by choosing an action. Then based on what they choose to do (See Dungeon Master’s Guide pg. 271 for a table), apply bonuses and penalties to their rolls depending on the action they choose to take. After that, each creature rolls initiative, and takes their turn, restricted in what they choose to do by what action they choose. After that, you start a new round and do it all over again.

Of course there ways your DM could homebrew initiative which aren’t covered here, but these methods are the officially provided ways of deciding who gets to act first in combat. But for now, I think you’re ready to roll initiative!

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