Star Force Calculator

Expected meso and booms for a single star force run, from a full simulation.

Star Force Settings

Item LevelCurrent StarTarget StarReplace CostTrialsMVP

Events

Options

Enhancement Mode

Tier 1

Tier 1 is the normal rate. Drag right to trade higher cost for fewer booms (15★→22★).

Next try: 321,000 mesosSuccess: 99.8%

Run the simulation to see the cost distribution, percentiles, and boom counts. The per-star breakdown below is exact and needs no simulation.

Star	Success	Destroy	Cost / Try	Expected Cost
0★ → 1★	99.8%	0.0%	321,000	321,804
1★ → 2★	94.5%	0.0%	641,000	678,306
2★ → 3★	89.3%	0.0%	961,000	1.1M
3★ → 4★	89.3%	0.0%	1.3M	1.4M
4★ → 5★	84.0%	0.0%	1.6M	1.9M
5★ → 6★	78.8%	0.0%	1.9M	2.4M
6★ → 7★	73.5%	0.0%	2.2M	3M
7★ → 8★	68.3%	0.0%	2.6M	3.8M
8★ → 9★	63.0%	0.0%	2.9M	4.6M
9★ → 10★	57.8%	0.0%	3.2M	5.5M
10★ → 11★	52.5%	0.0%	13M	24.7M
11★ → 12★	47.3%	0.0%	29.8M	63.1M
12★ → 13★	42.0%	0.0%	54.3M	129.2M
13★ → 14★	36.8%	0.0%	90.4M	246M
14★ → 15★	31.5%	0.0%	159.8M	507.2M
15★ → 16★	31.5%	2.1%	71.3M	284M
16★ → 17★	31.5%	2.1%	84M	342.8M
17★ → 18★	15.8%	6.7%	130.7M	1.5B
18★ → 19★	15.8%	6.7%	324.1M	3.3B
19★ → 20★	15.8%	8.4%	579M	7.1B
20★ → 21★	31.5%	10.3%	148.6M	4.5B
21★ → 22★	15.8%	12.6%	269.6M	14.9B