Each Superpower Rank is divided into initial phase, middle phase, advanced phase, and peak grade.
To upgrade Ivy Superpower from First-rank to Second-rank by repeated purchase requires 100 + 200 + 400 + 800 = 1500 Survival Points.
It seems 1.5 times more expensive than getting Superpower directly from lottery, but actually not.
Lottery draws for Superpowers are probabilistic.
One might get lucky immediately or fail a hundred or thousand times.
Getting Ivy's Second-rank Superpower directly via lottery, as Su Bai did, is nearly impossible.
Thus, being able to upgrade a Superpower Rank by repeated purchase at 1.5 times the price is very cost-effective.
Ivy upgraded from First-rank initial phase to middle phase; its toughness and impact rose, boosting Su Bai's self-defense.
After resting an hour at home, Near 1:30 PM, Su Bai went out again.
He had finished grinding the previously explored areas in the morning.
His afternoon task was to explore new areas, record new grind points, and see if special individuals like the Teddy dog or balding old man appeared as new grind points.
Past nine in the evening, Su Bai returned home.
In the afternoon, he expanded his exploration from nearby streets to more than a dozen neighborhoods and streets.
Though he did not meet special individuals like the Teddy dog or balding old man, several scenes like "Encounter Female Zombie in Stairwell" were triggered multiple times.
Combined with gains from exploring streets and neighborhoods, Su Bai had a good afternoon harvest.
Additionally, on the way back, he tried killing mosquitoes, flies, ants—small and numerous insects—but no system prompt appeared.
So, the mosquito he killed when activating the system was special; the idea to get Survival Points by mass insect killing was dashed.
It made sense.
Triggering system prompts required survival for three years—whether as human or Zombie. Most insects live only months or days, so they wouldn't survive or grow after three years.
Returning to his room, Su Bai played games for a while.
Until midnight, He opened his Attribute Panel again.
[Congratulations, host, for surviving one day! Your survival rating today is [Excellent]. You gain 30 Survival Points and 1.5 free attributes!]
[Please continue to strive to survive in the brutal doomsday!]
With 30 Survival Points added, Su Bai's total reached 251.
The new 1.5 free attributes… he averaged across Strength, Agility, and Constitution, raising all three to 1.7 points.
Honestly, after mastering Ivy Superpower, prioritizing Spirit attribute was the most cost-effective.
However, The boundary between Zero-rank and First-rank is breaking 2 points in any four-dimensional Attribute plus mastering a First-rank Superpower or skill.
Su Bai suspected that when his Spirit attribute broke 2 points, his Rank would rise from Zero-rank to First-rank… and Survival Points from targets like Yan Yan the First-rank Female Zombie would decrease.
Same for r commercial street, vegetable market scenes.
Currently, special individuals he found were rare; low-level Zombies and scenes still contributed a large portion of his points.
So, Holding back his Rank was necessary.
Regarding today's 251 Survival Points…
Su Bai bought two more Ivy Superpower Seeds, then five draws on the gray wheel!
[Ivy: First-rank advanced phase Superpower. Manifests a vine tougher than refined iron yet soft as cotton for attacks. The vine is 0.5 cm thick, 40 meters long max, consuming 0.1 spirit points per second.]
[Congratulations, host, for drawing prize [Meat Floss Bread]…]
[Congratulations, host, for drawing prize [Boneless Chicken Feet]…]
[……]
[Congratulations, host, for drawing prize [Xi Meng Mattress]…]
……
……
Early morning, As usual, washing up, breakfast, dressing, Su Bai headed outside.
No sound from across the hall.
When he reached the stairwell, Su Bai realized it was Monday, Yan Father and Yan Mother had returned to their other residence for work, and Yan Yan, a sophomore at Linjiang University, had gone back to the dormitory.
"Great, a fixed grind point lost."
Feeling a bit uneasy, Su Bai glanced at the closed door opposite and entered the elevator to leave the residential building.
At the community square, the elderly on the left still practiced Tai Chi.
Their standard poses and slow movements were the same as yesterday.
But on the right…
Su Bai was up earlier today and left earlier.
When he arrived, the balding old man in white exercise clothes was just coming.
Su Bai's face brightened.
This was a Third-rank Elite Zombie!
He did not expect another heated spar like yesterday with Old Ma and to KO him, earning 90 Survival Points, He only hoped to repel Old Ma and earn 60 Survival Points!
Truly suppressing him was impossible, even if Old Ma agreed, the elderly woman eyeing them at the square's edge would never allow it.
But a remote sparring match to repel him was doable.
"Master Ma…"
Seeing the approaching figure, Su Bai called out.
The next moment, to his astonishment, competitive Old Ma seemed not to see him and before reaching his usual morning exercise spot, turned and walked away with his thermos in the other direction.
Faintly, Old Ma muttered: "Hmm… too humid today, not suitable for exercise…"
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