Friendship with Sebastian can generally be earned by encouraging him to stay with the Chantry, by siding with the Chantry and the templars and by being helpful to those in need.
- A Bitter Pill: When the slaver demands Fenris be turned over, respond "He is not a slave!" (+5) (Verification needed)
- Dissent: Hawke refuses to help Anders (+15)
- Dissent: Hawke stops Anders from harming Ella (+15). An additional (+5) if Hawke then says, "Just what it looked like." upon meeting Ella outside the tunnels, and (+5) if Hawke then tells her to return to the Circle.
- Family Matter: Hawke allows Bartrand to live (+10)
- Fool's Gold: Accept the job (+5)
- Fool's Gold: Tell Emrys that he/she will save Merin (+10)
- Fool's Gold: Save Iwan and the truth comes out about Merin's death (+5)
- Mirror Image: Hawke refuses to give Merrill the arulin'holm (+5)
- Night Terrors: Tell Marethari "I understand" (that Feynriel must not become an abomination). (+10) Note: To avoid getting this point negated by another (+10), start the quest without Sebastian. Postpone the quest when Arianni asks if you are ready. Then, go to Merrill's house, put Sebastian in your party and resume the quest.
- Offered and Lost: Warn Elthina ("Someone used your seal") (+10). Note that the option "You're useless" in the same conversation will yield rivalry points, if it wasn't chosen earlier in this Act.
- Offered and Lost: Say "Varnell and the others die." (+10)
- Offered and Lost: Tell the Viscount not to hide what happened (+10)
- Prime Suspect: If Hawke begins the conversation with Emeric along an aggressive or humorous line of conversation until Sebastian comments that "this is a worthy cause." and then finishes with the diplomatic option to accept the quest. (+5)
- Questioning Beliefs: Tell Sebastian to remain a brother in the Chantry (+15)
- Repentance: When speaking to Allure, if Hawke says, "Die, fiend." cutting the conversation short. (+10) or "That's a good point." (+15)
- Repentance: When speaking to Flora at the end of the quest, choosing, "You were all victims." (+5)
- Repentance: Choosing the following options upon returning to the Chantry (+10)
- "That's a good question."
- "What do you want to do?"
- "Listen to your heart."
- The Starkhaven Longbow: Give Sebastian the gift with the Diplomatic dialogue option (+10)
- The Starkhaven Longbow: Give Sebastian the gift with the Witty dialogue option (+5)
- Alone: Convice Fenris to allow Varania to live (+5)
- Justice (quest): You can earn up to (+30)
- Refuse to distract the Grand Cleric after helping Anders to gather ingredients (+15)
- Go to the Chantry and warn Elthina via a special dialogue option. This must be done before accepting the Faith quest. (+15)
- Faith (quest): Making the following choices during the quest can yield up to (+55)
- Haunted: After the battle, give the idol piece to Sandal to craft a rune (+10)
- Finding Nathaniel: In the Deep Roads, when you talk to Nathaniel Howe, Sebastian will express approval of 'rescuing a warden in peril' (+10)
- On the Loose: When you talk to Meredith, if you're willing to help the templars (+5).
Rivalry with Sebastian can generally be earned by pushing him to retake Starkhaven, by siding against the Chantry and by making aggressive, disagreeable or otherwise "dishonorable" choices.
- A Bitter Pill: During the first ambush, offer to make a deal (+10)
- Blackpowder Courtesy: Kill the dwarf Javaris Tintop (+15)
- Family Matter: Have Varric kill Bartrand (+10)
- Fool's Gold: Tell Emrys that you'd rather have the weapon than save his brother (+10)
- PC 1.04 - no approval change with this choice
- Grand Cleric Elthina: Choosing "You're useless" when speaking to her will net (+5). Note that you will gain his friendship if during Offered and Lost you will also choose "Someone used your seal."
- Mirror Image: Give Merrill the arulin'holm (+5)
- Night Terrors: Initiating the quest by talking to Arianni (+10). Note: Approval will only count if a small cutscene of Sebastian disapproving of the quest is shown. Sometimes it is not shown, depending on which characters you have in the party.
- Night Terrors: Tell Marethari that you will not kill Feynriel (+10)
- Offered and Lost: Tell Ser Varnell to kill the Qunari (+5)
- Prime Suspect: Picking all the aggressive responses when talking to Emeric (+5)
- Questioning Beliefs: When speaking to Sebastian, the first and second set of choices all take you the same place. In the third set, choose Starkhaven (+15) (If you maxed Friendship, he will not gain Rivalry)
- Repentance: When speaking to Allure, choose "Don't listen to her" (+15)
- Repentance: When speaking to Flora, choose "Don't try to wiggle out of this" (+5)
- Repentance: During the final conversation back in the Chantry, choose "You must take back your land." (+10)
- The Starkhaven Longbow: Give him the gift with the Aggressive dialogue option (+10)
- Alone: Hand Fenris over to Danarius (+10)
- Alone: Let Fenris kill Varania (+5)
- A Murder of Crows: At the end of the quest, sleep with the assassin when given the opportunity (+5)
- Faith: In the conversation with Sister Nightingale, tell her it's time for a holy war (+15)
- Faith: In the final conversation when Grand Cleric Elthina refuses to leave, reply "Fine, your choice" (+15)
- Haunted: Let Varric keep the shard of the idol (+10)
- A New Path: In the beginning of the quest, if you force Merrill to talk to Marethari without asking by just talking to Marethari beforehand, and you pick the option to ask Marethari to help fix the eluvian (+5)
- No Rest for the Wicked: During the final conversation with Castillon, allow Isabela to trade the incriminating documents for Castillon's ship (+5)
- On the Loose: During the initial conversation with Walter and Cricket, reply aggressively (+5)
- On the Loose: During the final conversation with Walter and Cricket, refuse to give them money (+5) (Not on PS3 Version)
- On the Loose: Allow Emile de Launcet to go free (+5)