The trap was elegant.
I spotted it in Sherlock's notes through Vex's careful surveillance — a single detail buried in his case file that didn't match the actual evidence. A witness description that was slightly wrong, a timeline that was carefully skewed, the kind of deliberate error that would only be visible to someone with direct access to his investigation materials.
If my next anonymous tip referenced that detail, Sherlock would know his tipster had eyes inside his process.
"He's been setting these traps for a week," Vex reported from her position inside the brownstone's heating ducts. "Three different cases, three different false details. He's watching to see which one surfaces in your next communication."
I stood on a rooftop three blocks away, binoculars trained on the brownstone's windows. Sherlock was pacing — that particular restless energy I remembered from the show, the frustration of a mind that couldn't stop working on a problem. Joan Watson sat at the kitchen table, pretending to read while watching him with the concerned attention of someone learning to understand a complicated patient.
"He's getting serious," I said. "The anonymous tips were amusing at first. Now they're a threat to his self-image."
"You've been solving his cases before he can solve them," Vex observed. "For someone whose entire identity is built on being the smartest person in the room, that's intolerable."
She was right. The tips had been strategic — each one positioned to demonstrate capability without revealing identity, to establish that someone else was playing the same game Sherlock thought he owned. I'd wanted his attention. I'd gotten it.
Now I needed to be careful about what that attention cost me.
"The next tip needs to be perfect," I said. "Useful enough that he can't dismiss it, clean enough that it doesn't trigger his traps. He needs to know I see his counter-measures, but he can't know how I see them."
"That's a narrow path."
"It's the only path." I lowered the binoculars. "If I'm too perfect, he'll escalate. If I make a mistake, he'll close in. The game has to stay balanced — enough to keep his attention, not enough to let him catch me."
Vex was silent for a moment. When she spoke again, her voice carried something I hadn't heard before — concern, maybe, or its feline equivalent.
"You're enjoying this."
"I am." No point denying it. "He's the most interesting challenge I've encountered since transmigration. Every move has to be calculated, every detail considered. It's—"
"Addictive?"
The word landed harder than it should have. I thought about the early days — the alley, the disorientation, the slow construction of an identity from nothing. I'd been surviving then, reacting, building foundations with no clear picture of what I was building toward.
Now I had purpose. Direction. A game worth playing with an opponent worth playing against.
"Maybe," I admitted. "But addiction implies loss of control. This is deliberate. Strategic."
"The best addictions always feel strategic at first." Vex hopped onto the rooftop railing, balancing with casual grace. "I've watched interesting people before, Cash Dalton. The pattern is always the same. They find something that challenges them, engages them, makes them feel alive. And then they can't stop, even when stopping would be wiser."
"Is that a warning?"
"It's an observation. What you do with it is your concern."
Below us, Sherlock had stopped pacing. He was standing at the window now, looking out at the city, his expression unreadable from this distance. I wondered what he was thinking — what theories he was building about his anonymous benefactor, what traps he was preparing next.
The game continued. The stakes were rising. And somewhere in the back of my mind, a small voice was asking whether Vex was right, whether this particular challenge was becoming something I couldn't walk away from.
I pushed the thought aside. There was work to do.
---
The next tip arrived at the 11th Precinct three days later.
I'd crafted it carefully — useful information about a fraud case Sherlock was consulting on, delivered through channels that couldn't be traced. The content was accurate, drawing from genuine evidence rather than anything Sherlock had planted in his files. No traps triggered. No false details repeated.
Vex watched him open the envelope. His expression shifted as he read — irritation, then grudging respect, then something darker. He knew. He understood that whoever was sending these tips had seen his traps and deliberately avoided them.
He's angry, Vex conveyed. But also impressed. He's looking at the envelope like it's a chess move he didn't anticipate.
Good. That was exactly the reaction I'd wanted. Not rage, which would make him reckless. Not dismissal, which would make him careless. Measured respect for a worthy opponent.
The game was entering a new phase. Sherlock would escalate his counter-measures. He'd invest more resources in finding the tipster, more energy in understanding the pattern. And eventually, when the timing was right, I'd let him catch me.
But not yet. Not until the foundation was complete. Not until I was ready to be found.
I watched him pace to the window, the envelope still in his hand, and allowed myself a moment of satisfaction. The invisible player was becoming harder to ignore. The chess board was taking shape.
Somewhere in Brooklyn, Marcus Bell was probably closing another case with anonymous help he didn't understand. Somewhere in the city, the threads I was weaving were starting to connect into something larger.
The watch in my pocket had started ticking again — I'd noticed it that morning, the hands moving when they'd been frozen for days. Another mystery I didn't have time to solve. Another detail filed away for future analysis.
"He'll set new traps," Vex predicted. "More sophisticated ones."
"I know."
"And you'll avoid them. And he'll set more. And eventually this becomes a spiral neither of you can escape."
"Or eventually we meet face to face and the game changes." I turned away from the brownstone, heading for the rooftop access door. "That's always been the plan, Vex. The tips were never meant to be permanent. They're positioning. When we finally meet, he'll know I'm worth taking seriously."
"And if he decides you're a threat instead of an ally?"
"Then I'll adapt." I paused at the door. "That's what I do. That's what I've done since the moment I woke up in this body. Assess, adapt, survive."
"And if adapting isn't enough?"
The question hung in the air between us. I didn't have an answer — not one that satisfied me, anyway. The truth was that Sherlock Holmes was dangerous in ways I couldn't fully predict. The meta-knowledge gave me advantages, but it also created blind spots. I knew who Sherlock would become. I didn't know who he was right now, in this moment, altered by my presence and my interference.
"Then I'll figure something out," I said finally. "I always do."
Vex said nothing. Her silence was louder than any judgment she could have offered.
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