Death in Akosa

Death is a strange thing in Akosa. Much akin to the demi-planes spoken about in the tomes of the Mad Mage there is a lack of finality when a soul passes here... -Chase Paalaxon (Master Sorcerer & Explorer of Akosa)

There are two options when a character passes from the material plane, and they are such

Resurrection in Akosa

^{Thanks to Matt Mercer!}
If a character is dead, and a resurrection is attempted by a spell or spell effect with longer than a 1 action casting time, a Resurrection Challenge is initiated. Up to 3 members of the adventuring party can offer to contribute to the ritual via a Contribution Skill Check. The DM asks them each to make a skill check based on their form of contribution, with the DC of the check adjusting to how helpful/impactful the DM feels the contribution would be. For example, praying to the god of the devout, fallen character may require an Intelligence (Religion) check at an easy to medium difficulty, where loudly demanding the soul of the fallen to return from the aether may require a Charisma (Intimidation) check at a very hard or nearly impossible difficulty. Advantage and disadvantage can apply here based on how perfect, or off base, the contribution offered is.
After all contributions are completed, the DM then rolls a single, final Resurrection success check with no modifier. The base DC for the final resurrection check is 10, increasing by 1 for each previous successful resurrection the character has undergone (signifying the slow erosion of the soul’s connection to this world). For each successful contribution skill check, this DC is decreased by 3, whereas each failed contribution skill check increases the DC by 1.
Upon a successful resurrection check, the player’s soul (should it be willing) will be returned to the body, and the ritual succeeded. On a failed check, the soul does not return and the character is lost. Only the strongest of magical incantations can bypass this resurrection challenge, in the form of the True Resurrection or Wish spells. These spells can also restore a character to life who was lost due to a failed resurrection ritual. If a spell with a casting time of 1 action is used to attempt to restore life (via the Revivify spell or similar effects), no contribution skill checks are allowed. The character casting the spell makes a Rapid Resurrection check, rolling a d20 and adding their spellcasting ability modifier. The DC is 10, increasing by 1 for each previous successful resurrection the character has undergone. On a failure, the character’s soul is not lost, but the resurrection fails and increases any future Resurrection checks’ DC by 1. No further attempts can be made to restore this character to life until a resurrection spell with a casting time higher than 1 action is attempted.

The Soul Burn

You may also elect to take your final moments to accept your fate and passing from this world and chose to take one final action as you fall. Activating a 'Soul Burn' is an action you can only take when a character is killed beyond healing and they decide in the moment that the death occurs to do so. If you take this action your character can never be resurrected by any means including, but not limited to the Wish spell or True Resurrection. Here are some examples that can be done if you chose to Soul Burn:

• Engage in a final round of combat! All of your abilities are reset - including ones requiring a long rest

• Cast up to a 6th level spell!

• Throw random plot object to your faithful friends as they charge to avenge you!

P.S. Diamonds are not cheap...