A model with this special rule is a Psyker. This rule is typically presented with a Mastery level, shown in brackets - if no Mastery Level is shown then the model has a Mastery Level of 1. Rules for generating and manifesting psychic powers can be found in the Psychic phase section.

Champion of Chaos

A Model with this rule must issue and accept challenges. Where there are multiple models with this rule, the controlling player may decide.
Whenever a model with this rule kills a character, roll a D66 and consult the Chaos Boon chart. This boon remains for the rest of the game.

Profiles:

Unit	WS	BS	S	T	W	I	A	Ld	Save
Aspiring Sorcerer	4	4	4	4	1	4	2	10	3+
Infantry (Character), Psyker Level 1

Psyker	Mastery Level	Disciplines
Aspiring Sorcerer	1	Tzeentch