Riftwatch
Riftwatch, situated in Hagga Rift near the southern border with the Western Vermillius Gap, in Hagga Basin, acts as the main base of operations of House Harkonnen in Hagga Basin.
It is considered prime early-game real estate for base building due to its proximity to Erythrite Crystal in the Rift, to Carbon Ore at the border between the Rift and Gap areas, to Iron Ore in the Vermillius Gap, and to early-game contracts and areas.

Associated Quests
Contract Chains
Locals
There are non-hostile NPCs near Helius Gate with whom you can interact:
- Simone Von Konig - A spymistress in service to House Harkonnen, subordinate to Piter de Vries.
- Mobula Gang Member
- Lanov - Harkonnen soldier
- Katrina Chloros - Atreides Flag Officer, sole survivor of the Kytheria, mentor to Anton Tolliver
- Lupino Ord - House Moritani Landsraad Contact inside the fortress.
- Thusnelda - House Dyvetz Landsraad Contact outside the fortress, in the north-west direction.
- Dren Silar - House Ecaz Landsraad Contact outside and north of the fortress, in a cave of Hagga Rift.
- Harkonnen Acquisitor - sells Atreides Faction rewards
- Harkonnen Landsraad Representative outside and north of the Riftwatch fortress.
- Samin Moro - a Mentat that can train you, in case you haven't picked the Mentat skill tree when creating your character.
Location
The Riftwatch fortress is located near the Anvil Tradepost, where Amadi Ikeni of House Tseida resides, and near Testing station #10, which is one of the biggest stations in the early game - filled with loot and hostile NPCs.
Intel
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Lore
Riftwatch serves as the primary Harkonnen base of operations in the Hagga Basin, guarding the southernmost entrance to the treacherous Hagga Rift.