If you are working north camp area, by vacant rooms, he is at opposite end of Water Mephit canal. He spawns by himself and can be single pulled, no wanderers in this area. If you dont want to fight him in water, can be pulled out of water to a nearby bank. There is on mob on this bank, clear him and pull
1) The mobs name is A tidal monstrosity not Tidal Monstrosity. There's not a capital "T" or "M". The only capital is the letter "A".
2) I've only seen Swiftwind Necklace drop from Windspirit Glorn and not A tidal monstrosity. It still could drop from A tidal monstrosity however I've yet to see it.
3) Just got this item this morning from A tidal monstrosity:
Earring of the Righteous MAGIC ITEM LORE ITEM NO DROP Slot: EAR AC: 6 DEX: +9 STA: +10 WIS: +10 AGI: +9 HP: +90 MANA: +100 SV FIRE: +10 SV DISEASE: +9 SV COLD: +7 SV POISON: +9 Regeneration: +2 Mana Regeneration: +2 Spell Shield: +1% Recommended level of 60. Required level of 55. WT: 0.9 Size: SMALL Class: CLR Race: ALL Slot 1, type 7: empty