Like A Bird In The Skyrim

Agent of Dibella

You do more combat damage to the opposite sex.

Obtained by completing “Heart of Dibella” in Markarth. Visit the Temple of Dibella and get caught by Hamal in the Inner Sanctum to start the quest.

Agent of Mara

+15 Resist Magic

Obtained by completing “The Book of Love” in Riften.

Related: Active Effects (tag)

Nightingale Strife

Instantly absorb 100 points of Health from the target.

Obtained through the Thieves Guild quest line “Darkness Returns”, this Active Effect is only one of three to choose from in the Twilight Sepulcher. It lasts 24 hours, after which you can come back and choose a different Effect if you desire.

Nightingale Subterfuge

People and creatures in the spell’s area of effect will attack anyone nearby for 30 seconds.

Obtained through the Thieves Guild quest line “Darkness Returns”, this Active Effect is only one of three to choose from in the Twilight Sepulcher. It lasts 24 hours, after which you can come back and choose a different Effect if you desire.

Related: Shadowcloak of the Nocturnal || Active Effects (tag)

Summon Spectral Assassin

Summons the ghost of the legendary assassin Lucien Lachance to fight by your side, until he’s defeated.

Obtained by completing the Dark Brotherhood quest “Bound Until Death”, this Effect will summon the spirit of the one and only Lucien Lachance. Effect lasts until Lachance is defeated in battle.

Shadowcloak of Nocturnal

For 120 seconds you automatically become invisible while sneaking.

Obtained by finishing the Thieves Guild questline, this Active Effect is only one of three to choose from in the Twilight Sepulcher. It lasts 24 hours, after which you can come back and choose a different Effect if you desire.

Ancient Knowledge

Knowledge gained from the Lexicon gives you a 25% bonus when wearing Dwarven Armor and Blacksmithing increases 15% faster.

Obtained by completing the quest “Unfathomable Depths”, given at the Riften docks by From-Deepest-Fathoms.

Sailor’s Repose

Healing spells cure 10% more.

Obtained by visiting Frostflow Lighthouse and completing the unmarked quest. Place Habd’s Remains (from the Chaurus Reaper’s body) into the brazier at the top of the Lighthouse and you’ll receive this effect.

Related: Sinderion’s Serendipidity

Sinderion’s Serendipity

There is a 25% chance of creating a duplicate potion when using your alchemy skill.

Obtained by finishing the “A Return To Your Roots” quest, started by collecting Crimson Nirnroot in Blackreach.