Your psyker is not "a friendly model with a psychic hood" to the enemy unit being buffed, therefore your psyker cannnot use hit hood to prevent that power.
This is RAW.
Your psyker is not "a friendly model with a psychic hood" to the enemy unit being buffed, therefore your psyker cannnot use hit hood to prevent that power.
This is RAW.
Chaos Marines Project Log - Just a click away... you know you want to...
Record as of new CSM Codex: 9 wins/ 2 losses/ 0 draws
Record as of new Daemons Codex: 1 wins/ 1 losses/ 0 draws
IG + Daemons Allies: 21 wins (8 tablings, 10 crushing victories, 3 1-VP scrapes)/ 2 losses/ 1 draw