A character's presence tier is a numerical indicator of their capacity to passively maintain their will over magical artifacts, spirits, or other beings. As they level up, a character's presence tier will continue to increase. Magic items, mounts, and the like will typically have the required tier it takes to use them specified. A character can only maintain control over things with a total tier less than or equal to their presence tier. Using something that requires presence takes Attunement. Deattunement is required to free up presence for another purpose. Whenever PRES is written, it refers to a character's total presence tier. UNP is a character's unused presence.
The levels at which characters gain Presence are shown highlighted in the table below.