Deadlock Sinclair Guide
Sinclair is a mystic with 740 health and a burst fire / long range / projectile kit. What each ability does and when to request Sinclair on a boost.
Sinclair is a Mystic trickster whose whole kit is about copying and controlling. Audience Participation copies an enemy hero's ultimate for a short window, and Rabbit Hex turns every enemy in a target area into a rabbit that takes increased damage and cannot perform most actions, so the booster is leveraging a hero who borrows the enemy team's best ultimate and sets up kills for the whole team.
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Ability kit
Sinclair snapshot
Deadlock Wiki lists Sinclair as a mystic with 740 base health, 7.2 move speed, 3 stamina, and a burst fire / long range / projectile weapon profile.
The ability set is Vexing Bolt, Spectral Assistant, Rabbit Hex, Audience Participation.
Sinclair is a Mystic trickster whose whole kit is about copying and controlling. Audience Participation copies an enemy hero's ultimate for a short window, and Rabbit Hex turns every enemy in a target area into a rabbit that takes increased damage and cannot perform most actions, so the booster is leveraging a hero who borrows the enemy team's best ultimate and sets up kills for the whole team.
Solo boost fit
In a solo boost the booster takes your account through an encrypted credential handoff and plays Sinclair around two timings: Rabbit Hex on a clumped enemy group, then Vexing Bolt, whose Spirit Damage grows the further it travels, into the rabbits while they are amplified. Spectral Assistant goes down before every fight: it attacks whenever your weapon fires, reloads on cast, and gives the booster a swap position for dives and escapes. Sinclair is a stable Eternus 6 request, but a roster dependent one: Audience Participation is only as strong as the enemy ultimate it copies, so the booster reads the enemy draft every game.
Duo boost notes
In a duo you stay on your own account and the two of you split fights around Rabbit Hex: the booster on Sinclair lands the hex and you burst the rabbits while the damage amp is up, since hexed enemies cannot perform most actions. Audience Participation is the second call to coordinate, because the copied enemy ultimate changes the engage plan, so agree on which enemy hero gets copied before the fight starts. Spectral Assistant is the booster's escape and reentry tool through the position swap, which means you can hold the front while Sinclair repositions without either of you overcommitting.
When to request this hero
Request Sinclair by name when he is the hero you already queue with and you want your climb to happen on him, or when you want a hero whose ultimate scales with whatever the enemy team drafts. Let the booster pick when you just want the fastest climb, because Sinclair's value swings with the enemy draft and a flex hero is a safer default across a long order.
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FAST ANSWERS
Should I request Sinclair for a Deadlock boost?
Yes, if Sinclair is a hero you play or you want a climb on a Mystic whose Audience Participation can copy the strongest enemy ultimate in the lobby. If you have no hero preference, let the booster pick, since Sinclair's strength depends on the enemy draft.
Is Sinclair better for solo or duo boosting?
Sinclair works in both, but he shines in duo because Rabbit Hex creates a window that a second player on their own account can punish immediately. In solo the booster handles the hex, the Vexing Bolt follow up, and the ultimate copy alone, which an Eternus 6 player does reliably.
What makes Sinclair different to boost with?
Sinclair's ultimate is not his own: Audience Participation copies an enemy hero's ultimate for a limited time, so every game on him plays differently depending on the enemy roster. Pair that with Rabbit Hex, which turns enemies into rabbits that take increased damage and cannot perform most actions, and you have a hero built on stealing and disabling rather than raw stats.