Okay, if you're heading into the Darkroot Garden from the Blacksmith, you want to stick to the right side until you see a glowing flower on a ledge. FLOWER, not item. Walk over to the floor, watch your back because a Tree Guy will pop up. After killing him, adjust the camera, you'll see a little winding path that leads downwards.
Follow that path until it levels out.
Side note, to get to a bonfire. ------------ Rather than following it after it levels out, keep going downwards. Follow the path all the way down , kill the Black Knight guarding it. The bonfire also leads to the Valley of the Drakes. --------------- you should see some tall white thingies in the distance, The Crystal Men and something big and swirling in the background. Hug the edge of the canyon and run towards the tower. It's up the hill and to the right from the where the trail ended.
Once you open the door... Havel will be right there immediately to your right. If you feel gutsy, you can run up the stairs before he notices you.
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Go to the blacksmith near the church in Undead (Parish?), near Sen's Fortress. Go down where the Titanite Demon should be (or dead if you killed him) and walk out the entrance to the forest below. Kill the 2 plant monsters and then take the right and follow the path all the way down the cliff until you have a split path, one leading to a bonfire, the other leading to crystal golems and the hydra boss. If you keep walking along the cliff edge ignoring the path towards the crystal golems and hydras, in the building Havel waiting to crush your skull in beside the inside of the door.
You'll also find a black knight guarding a Grass shield that boost stam recovery. It's pretty nice. This is on the cliffs once you enter the basin. Once you leave the stone demons room head left. Kill the first grass monster and look for a path the leads to the right.
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