To clear her boss fights without getting instantly crushed, talk to her in the mornings. Raising her affection unlocks the ability to fight her without harsh instant-kill triggers, leading directly into the high-tier Trample, Vore, and AV scenes.
Regarded by players on the Eka's Portal community forums as one of the hardest fights. She has heavy AoE damage and casts a "Confusion" debuff. Buy clarity potions or speed-buffing gear to ensure your turn arrives before she can stun-lock your team.
If you are playing older builds, update immediately to 0.5 or newer. The developers ported the project to clear up severe rendering crashes. Note that upgrading to 0.5 will break your previous save files due to rewritten event logs. giantess of abyss guide better
In the school area, talk to the purple-haired girl in the lab and complete all 3 experiments. This unlocks a path through a tunnel connecting to the forest. Solve the puzzle on the mysterious gate there to earn the Speed Up Book, drastically increasing your map movement speed.
Giantess of Abyss (异族深渊) stands as one of the most complex, mechanically unique indie fetish RPGs ever developed on the RPG Maker and Cocos engines. Blending traditional exploration with massive boss fights, survival mechanics, and highly specific size-difference fetishes (including Vore and Unbirth), it quickly overwhelms players. To clear her boss fights without getting instantly
Navigating the Abyss requires solving several obscure puzzles that halt progression. Missing a single item can lock you out of primary narrative paths.
Take the small book from the ordinary classroom and talk to the NPC Matsumoto. He grants a quest to collect "futa fluid". Completing this nets you the Lab Key. Once inside the lab, you can infinitely trade filled Giantess Fluid Bottles for Matsumoto Coins. She has heavy AoE damage and casts a "Confusion" debuff
This requires an active inventory item. Head to the spring directly near your starter home with an empty jar bought from the shop to collect spring water. Use it on the puzzle to proceed.
Before fighting the brutal boss in the sewers, you absolutely need the Wormkiller sword found in the immediate area. If you still find the fight too difficult, backtrack to craft the Splatoon Gun or recruit the Ghost Girl companion to your party first.